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curl -X POST \
  'http://laksa058.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://circuitglobe.com/shunt-resistor.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://circuitglobe.com/shunt-resistor.html\'))) FORMAT JSONEachRow'

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{"found_url":"https:\/\/circuitglobe.com\/shunt-resistor.html","crawl_time":1775297069,"first_indexed_time":1512584479,"http_code":200,"src_unparsed":"com,circuitglobe!\/shunt-resistor.html s443","src_root_hash":"13168059991181032858","history_drop_reason":null,"meta_title":"What is a Shunt Resistor? - Definition & Formula - Circuit Globe","meta_descriptions":["A resistor having a very low value of resistance such type of resistor is called shunt resistance. The shunt resistor is mainly made of the material having a low temperature coefficient of resistance. It is connected in parallel with the ammeter whose range is to be extended. It is also connected in series with the load whose current is to be measured."],"attrs_boilerpipe_text":"Definition:\nA resistor having a very low value of resistance such type of resistor is called shunt resistance. The shunt resistor is mainly made of the material having the low-temperature coefficient of resistance. It is connected in parallel with the ammeter whose range is to be extended. It is also connected in series with the load whose current is to be measured.\nConsider an ammeter has its resistance R\nm\nand it measured only a small current I\nm\n.  A shunt resistor R\ns\nis placed in parallel with the ammeter for extending their range.\nLet, R\ns\n= Shunt resistance\nI\ns\n= Shunt current\nI = total load or circuit current to be measured\nSince shunt is in parallel with ammeter, \nFrom above equation we get,\nWhere N is the ratio of the total current (I) to be measured to the full-scale deflection current I\nm\nis known as the multiplying power of the shunt.\nThe shunt is used in the galvanometer for measuring the large current. It is connected in parallel to the circuit of the galvanometer. The galvanometer is the current sensing devices. The direction of flow of current inside the circuit is determined by the pointer of the galvanometer.","attrs_markdown":"[Skip to content](https:\/\/circuitglobe.com\/shunt-resistor.html#content \"Skip to content\")\n\n[![circuit globe logo](https:\/\/circuitglobe.com\/wp-content\/uploads\/2021\/02\/logo12-resized.jpg)](https:\/\/circuitglobe.com\/)\n\n- [Electrical Terms](https:\/\/circuitglobe.com\/category\/electrical-terms)\n  Menu Toggle\n  - [Circuit Theory](https:\/\/circuitglobe.com\/category\/electrical-terms\/circuit-theory)\n  - [Electrical Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines)\n    Menu Toggle\n    - [DC Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/dc-machines)\n    - [Special Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/special-machines)\n    - [Synchronous Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/synchronous-machines)\n    - [Induction Motor](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/induction-motor)\n    - [Transformer](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/transformer)\n    - [Electrical Drives](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/electrical-drives)\n  - [Magnetic Circuit](https:\/\/circuitglobe.com\/category\/electrical-terms\/magnetic-circuit)\n  - [Power Systems](https:\/\/circuitglobe.com\/category\/electrical-terms\/power-systems)\n  - [Electrical Instrumentation](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-instrumentation)\n  - [Electrical Measurement](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-measurement)\n- [Electronic Terms](https:\/\/circuitglobe.com\/category\/electronic-terms)\n  Menu Toggle\n  - [Electronic Instrumentation](https:\/\/circuitglobe.com\/category\/electronic-terms\/electronic-instrumentation)\n- [Comparisons](https:\/\/circuitglobe.com\/category\/comparisons)\n\n[![circuit globe logo](https:\/\/circuitglobe.com\/wp-content\/uploads\/2021\/02\/logo12-resized.jpg)](https:\/\/circuitglobe.com\/)\n\nMain Menu\n\n- [Electrical Terms](https:\/\/circuitglobe.com\/category\/electrical-terms)\n  Menu Toggle\n  - [Circuit Theory](https:\/\/circuitglobe.com\/category\/electrical-terms\/circuit-theory)\n  - [Electrical Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines)\n    Menu Toggle\n    - [DC Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/dc-machines)\n    - [Special Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/special-machines)\n    - [Synchronous Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/synchronous-machines)\n    - [Induction Motor](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/induction-motor)\n    - [Transformer](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/transformer)\n    - [Electrical Drives](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/electrical-drives)\n  - [Magnetic Circuit](https:\/\/circuitglobe.com\/category\/electrical-terms\/magnetic-circuit)\n  - [Power Systems](https:\/\/circuitglobe.com\/category\/electrical-terms\/power-systems)\n  - [Electrical Instrumentation](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-instrumentation)\n  - [Electrical Measurement](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-measurement)\n- [Electronic Terms](https:\/\/circuitglobe.com\/category\/electronic-terms)\n  Menu Toggle\n  - [Electronic Instrumentation](https:\/\/circuitglobe.com\/category\/electronic-terms\/electronic-instrumentation)\n- [Comparisons](https:\/\/circuitglobe.com\/category\/comparisons)\n\n# Shunt Resistor\n**Definition:** A resistor having a very low value of resistance such type of resistor is called shunt resistance. The shunt resistor is mainly made of the material having the low-temperature coefficient of resistance. It is connected in parallel with the ammeter whose range is to be extended. It is also connected in series with the load whose current is to be measured.\n\nConsider an ammeter has its resistance Rm and it measured only a small current Im. A shunt resistor Rs is placed in parallel with the ammeter for extending their range.\n\n[![shunt-resistor](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-compressor.jpg)\n\nLet, Rs = Shunt resistance  \n Is = Shunt current  \n I = total load or circuit current to be measured\n\n[![shunt-resistor-equation-1-](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-1-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-1-compressor.jpg)\n\nSince shunt is in parallel with ammeter, [![shunt-resistor-equation-2-](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-2-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-2-compressor.jpg)\n\n[![shunt-resistor-equation-3-](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-3-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-3-compressor.jpg)\n\nFrom above equation we get,\n\n[![shunt-resistor-equation-4](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-4-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-4-compressor.jpg)\n\n[![shunt-resistor-equation-5-](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-5-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-5-compressor.jpg)\n\nWhere N is the ratio of the total current (I) to be measured to the full-scale deflection current Im is known as the multiplying power of the shunt.\n\nThe shunt is used in the galvanometer for measuring the large current. It is connected in parallel to the circuit of the galvanometer. The galvanometer is the current sensing devices. The direction of flow of current inside the circuit is determined by the pointer of the galvanometer.\n\n### Related terms:\n1. [Ammeter Shunt](https:\/\/circuitglobe.com\/ammeter-shunt.html \"Ammeter Shunt\")\n2. [Difference Between Shunt and Series Voltage Regulator](https:\/\/circuitglobe.com\/difference-between-shunt-and-series-voltage-regulator.html \"Difference Between Shunt and Series Voltage Regulator\")\n\n### 3 thoughts on “Shunt Resistor”\n1. **Ganesh**\n   \n   [January 8, 2020 at 10:44 am](https:\/\/circuitglobe.com\/shunt-resistor.html#comment-3393)\n   \n   You provided such a nice description… thank you\n   \n   [Reply](https:\/\/circuitglobe.com\/shunt-resistor.html#comment-3393)\n2. **Mikail**\n   \n   [January 28, 2020 at 7:31 pm](https:\/\/circuitglobe.com\/shunt-resistor.html#comment-3464)\n   \n   Thanks for the wonderful explanation\n   \n   [Reply](https:\/\/circuitglobe.com\/shunt-resistor.html#comment-3464)\n3. **Dano**\n   \n   [April 7, 2021 at 2:14 am](https:\/\/circuitglobe.com\/shunt-resistor.html#comment-18367)\n   \n   Good description, but including an example would have made it even better.\n   \n   [Reply](https:\/\/circuitglobe.com\/shunt-resistor.html#comment-18367)\n### Leave a Comment [Cancel Reply](https:\/\/circuitglobe.com\/shunt-resistor.html#respond)\n\n## Most Searched Terms\n- [Star Delta Starter](https:\/\/circuitglobe.com\/star-delta-starter.html)\n- [Peak Value, Average Value and RMS Value](https:\/\/circuitglobe.com\/what-is-peak-value-average-value-and-rms-value.html)\n- [Active, Reactive and Apparent Power](https:\/\/circuitglobe.com\/what-is-active-reactive-and-apparent-power.html)\n- [Electrical Bus-Bar and its Types](https:\/\/circuitglobe.com\/electrical-bus-bar-and-its-types.html)\n- [Emf Equation of a DC Generator](https:\/\/circuitglobe.com\/emf-equation-of-dc-generator.html)\n- [Electrical Earthing](https:\/\/circuitglobe.com\/electrical-earthing.html)\n- [Two Wattmeter Method of Power Measurement](https:\/\/circuitglobe.com\/two-wattmeter-method-of-power-measurement.html)\n- [Reciprocity 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Resonance](https:\/\/circuitglobe.com\/what-is-parallel-resonance.html)\n\n## New Additions\n- [Optical Fiber](https:\/\/circuitglobe.com\/optical-fiber.html)\n- [Step Index Fiber](https:\/\/circuitglobe.com\/step-index-fiber.html)\n- [Optical Isolator](https:\/\/circuitglobe.com\/optical-isolator.html)\n- [Optical Modulation](https:\/\/circuitglobe.com\/optical-modulation.html)\n- [Optical Line Terminal (OLT)](https:\/\/circuitglobe.com\/optical-line-terminal.html)\n- [Difference Between Semiconductors and Superconductors](https:\/\/circuitglobe.com\/difference-between-semiconductors-and-superconductors.html)\n- [Difference Between Shunt and Series Voltage Regulator](https:\/\/circuitglobe.com\/difference-between-shunt-and-series-voltage-regulator.html)\n- [Difference Between Symmetric and Asymmetric Multiprocessing](https:\/\/circuitglobe.com\/difference-between-symmetric-and-asymmetric-multiprocessing.html)\n- [Electromagnetic Flow Meter](https:\/\/circuitglobe.com\/electromagnetic-flow-meter.html)\n- [Difference Between Charge and Mass](https:\/\/circuitglobe.com\/difference-between-charge-and-mass.html)\n\n## Categories\n- [Circuit Theory](https:\/\/circuitglobe.com\/category\/electrical-terms\/circuit-theory)\n- [Comparisons](https:\/\/circuitglobe.com\/category\/comparisons)\n- [DC Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/dc-machines)\n- [Electrical Drives](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/electrical-drives)\n- [Electrical Instrumentation](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-instrumentation)\n- [Electrical Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines)\n- [Electrical Measurement](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-measurement)\n- [Electrical Terms](https:\/\/circuitglobe.com\/category\/electrical-terms)\n- [Electronic Instrumentation](https:\/\/circuitglobe.com\/category\/electronic-terms\/electronic-instrumentation)\n- [Electronic Terms](https:\/\/circuitglobe.com\/category\/electronic-terms)\n- [Induction Motor](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/induction-motor)\n- [Magnetic Circuit](https:\/\/circuitglobe.com\/category\/electrical-terms\/magnetic-circuit)\n- [Optical Fiber Communication](https:\/\/circuitglobe.com\/category\/electronic-terms\/optical-fiber-communication)\n- [Power Systems](https:\/\/circuitglobe.com\/category\/electrical-terms\/power-systems)\n- [Special Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/special-machines)\n- [Switchgear and Protection](https:\/\/circuitglobe.com\/category\/electrical-terms\/switchgear-and-protection)\n- [Synchronous Machines](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/synchronous-machines)\n- [Transformer](https:\/\/circuitglobe.com\/category\/electrical-terms\/electrical-machines\/transformer)\n\nCopyright © 2026 Circuit Globe · [Contact Us](https:\/\/circuitglobe.com\/contact-us\/ \"Contact Us\") · [About Us](https:\/\/circuitglobe.com\/about-us\/ \"About Us\") · [Privacy](https:\/\/circuitglobe.com\/privacy-policy\/ \"Privacy\")","attrs_readable_markdown":"**Definition:** A resistor having a very low value of resistance such type of resistor is called shunt resistance. The shunt resistor is mainly made of the material having the low-temperature coefficient of resistance. It is connected in parallel with the ammeter whose range is to be extended. It is also connected in series with the load whose current is to be measured.\n\nConsider an ammeter has its resistance Rm and it measured only a small current Im. A shunt resistor Rs is placed in parallel with the ammeter for extending their range.\n\n[![shunt-resistor](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-compressor.jpg)\n\nLet, Rs = Shunt resistance  \n Is = Shunt current  \n I = total load or circuit current to be measured\n\n[![shunt-resistor-equation-1-](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-1-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-1-compressor.jpg)\n\nSince shunt is in parallel with ammeter, [![shunt-resistor-equation-2-](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-2-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-2-compressor.jpg)\n\n[![shunt-resistor-equation-3-](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-3-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-3-compressor.jpg)\n\nFrom above equation we get,\n\n[![shunt-resistor-equation-4](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-4-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-4-compressor.jpg)\n\n[![shunt-resistor-equation-5-](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-5-compressor.jpg)](https:\/\/circuitglobe.com\/wp-content\/uploads\/2016\/08\/shunt-resistor-equation-5-compressor.jpg)\n\nWhere N is the ratio of the total current (I) to be measured to the full-scale deflection current Im is known as the multiplying power of the shunt.\n\nThe shunt is used in the galvanometer for measuring the large current. It is connected in parallel to the circuit of the galvanometer. The galvanometer is the current sensing devices. The direction of flow of current inside the circuit is determined by the pointer of the galvanometer.","meta_canonical":null}

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HTTP status	PASS	`download_http_code = 200`	HTTP 200
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URL	https://circuitglobe.com/shunt-resistor.html
Last Crawled	2026-04-04 10:04:29 (2 days ago)
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Meta Title	What is a Shunt Resistor? - Definition & Formula - Circuit Globe
Meta Description	A resistor having a very low value of resistance such type of resistor is called shunt resistance. The shunt resistor is mainly made of the material having a low temperature coefficient of resistance. It is connected in parallel with the ammeter whose range is to be extended. It is also connected in series with the load whose current is to be measured.
Meta Canonical	null
Boilerpipe Text	Definition: A resistor having a very low value of resistance such type of resistor is called shunt resistance. The shunt resistor is mainly made of the material having the low-temperature coefficient of resistance. It is connected in parallel with the ammeter whose range is to be extended. It is also connected in series with the load whose current is to be measured. Consider an ammeter has its resistance R m and it measured only a small current I m . A shunt resistor R s is placed in parallel with the ammeter for extending their range. Let, R s = Shunt resistance I s = Shunt current I = total load or circuit current to be measured Since shunt is in parallel with ammeter, From above equation we get, Where N is the ratio of the total current (I) to be measured to the full-scale deflection current I m is known as the multiplying power of the shunt. The shunt is used in the galvanometer for measuring the large current. It is connected in parallel to the circuit of the galvanometer. The galvanometer is the current sensing devices. The direction of flow of current inside the circuit is determined by the pointer of the galvanometer.
Markdown	[Skip to content](https://circuitglobe.com/shunt-resistor.html#content "Skip to content") [![circuit globe logo](https://circuitglobe.com/wp-content/uploads/2021/02/logo12-resized.jpg)](https://circuitglobe.com/) - [Electrical Terms](https://circuitglobe.com/category/electrical-terms) Menu Toggle - [Circuit Theory](https://circuitglobe.com/category/electrical-terms/circuit-theory) - [Electrical Machines](https://circuitglobe.com/category/electrical-terms/electrical-machines) Menu Toggle - [DC Machines](https://circuitglobe.com/category/electrical-terms/electrical-machines/dc-machines) - [Special Machines](https://circuitglobe.com/category/electrical-terms/electrical-machines/special-machines) - [Synchronous Machines](https://circuitglobe.com/category/electrical-terms/electrical-machines/synchronous-machines) - [Induction Motor](https://circuitglobe.com/category/electrical-terms/electrical-machines/induction-motor) - [Transformer](https://circuitglobe.com/category/electrical-terms/electrical-machines/transformer) - [Electrical Drives](https://circuitglobe.com/category/electrical-terms/electrical-machines/electrical-drives) - [Magnetic Circuit](https://circuitglobe.com/category/electrical-terms/magnetic-circuit) - [Power Systems](https://circuitglobe.com/category/electrical-terms/power-systems) - [Electrical Instrumentation](https://circuitglobe.com/category/electrical-terms/electrical-instrumentation) - [Electrical Measurement](https://circuitglobe.com/category/electrical-terms/electrical-measurement) - [Electronic Terms](https://circuitglobe.com/category/electronic-terms) Menu Toggle - [Electronic Instrumentation](https://circuitglobe.com/category/electronic-terms/electronic-instrumentation) - [Comparisons](https://circuitglobe.com/category/comparisons) [![circuit globe logo](https://circuitglobe.com/wp-content/uploads/2021/02/logo12-resized.jpg)](https://circuitglobe.com/) Main Menu - [Electrical Terms](https://circuitglobe.com/category/electrical-terms) Menu Toggle - [Circuit Theory](https://circuitglobe.com/category/electrical-terms/circuit-theory) - [Electrical Machines](https://circuitglobe.com/category/electrical-terms/electrical-machines) Menu Toggle - [DC Machines](https://circuitglobe.com/category/electrical-terms/electrical-machines/dc-machines) - [Special Machines](https://circuitglobe.com/category/electrical-terms/electrical-machines/special-machines) - [Synchronous Machines](https://circuitglobe.com/category/electrical-terms/electrical-machines/synchronous-machines) - [Induction Motor](https://circuitglobe.com/category/electrical-terms/electrical-machines/induction-motor) - [Transformer](https://circuitglobe.com/category/electrical-terms/electrical-machines/transformer) - [Electrical Drives](https://circuitglobe.com/category/electrical-terms/electrical-machines/electrical-drives) - [Magnetic Circuit](https://circuitglobe.com/category/electrical-terms/magnetic-circuit) - [Power Systems](https://circuitglobe.com/category/electrical-terms/power-systems) - [Electrical Instrumentation](https://circuitglobe.com/category/electrical-terms/electrical-instrumentation) - [Electrical Measurement](https://circuitglobe.com/category/electrical-terms/electrical-measurement) - [Electronic Terms](https://circuitglobe.com/category/electronic-terms) Menu Toggle - [Electronic Instrumentation](https://circuitglobe.com/category/electronic-terms/electronic-instrumentation) - [Comparisons](https://circuitglobe.com/category/comparisons) # Shunt Resistor Definition: A resistor having a very low value of resistance such type of resistor is called shunt resistance. The shunt resistor is mainly made of the material having the low-temperature coefficient of resistance. It is connected in parallel with the ammeter whose range is to be extended. It is also connected in series with the load whose current is to be measured. Consider an ammeter has its resistance Rm and it measured only a small current Im. A shunt resistor Rs is placed in parallel with the ammeter for extending their range. [![shunt-resistor](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-compressor.jpg) Let, Rs = Shunt resistance Is = Shunt current I = total load or circuit current to be measured [![shunt-resistor-equation-1-](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-1-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-1-compressor.jpg) Since shunt is in parallel with ammeter, [![shunt-resistor-equation-2-](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-2-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-2-compressor.jpg) [![shunt-resistor-equation-3-](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-3-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-3-compressor.jpg) From above equation we get, [![shunt-resistor-equation-4](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-4-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-4-compressor.jpg) [![shunt-resistor-equation-5-](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-5-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-5-compressor.jpg) Where N is the ratio of the total current (I) to be measured to the full-scale deflection current Im is known as the multiplying power of the shunt. The shunt is used in the galvanometer for measuring the large current. It is connected in parallel to the circuit of the galvanometer. The galvanometer is the current sensing devices. The direction of flow of current inside the circuit is determined by the pointer of the galvanometer. ### Related terms: 1. [Ammeter Shunt](https://circuitglobe.com/ammeter-shunt.html "Ammeter Shunt") 2. [Difference Between Shunt and Series Voltage Regulator](https://circuitglobe.com/difference-between-shunt-and-series-voltage-regulator.html "Difference Between Shunt and Series Voltage Regulator") ### 3 thoughts on “Shunt Resistor” 1. Ganesh [January 8, 2020 at 10:44 am](https://circuitglobe.com/shunt-resistor.html#comment-3393) You provided such a nice description… thank you [Reply](https://circuitglobe.com/shunt-resistor.html#comment-3393) 2. Mikail [January 28, 2020 at 7:31 pm](https://circuitglobe.com/shunt-resistor.html#comment-3464) Thanks for the wonderful explanation [Reply](https://circuitglobe.com/shunt-resistor.html#comment-3464) 3. Dano [April 7, 2021 at 2:14 am](https://circuitglobe.com/shunt-resistor.html#comment-18367) Good description, but including an example would have made it even better. 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Readable Markdown	Definition: A resistor having a very low value of resistance such type of resistor is called shunt resistance. The shunt resistor is mainly made of the material having the low-temperature coefficient of resistance. It is connected in parallel with the ammeter whose range is to be extended. It is also connected in series with the load whose current is to be measured. Consider an ammeter has its resistance Rm and it measured only a small current Im. A shunt resistor Rs is placed in parallel with the ammeter for extending their range. [![shunt-resistor](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-compressor.jpg) Let, Rs = Shunt resistance Is = Shunt current I = total load or circuit current to be measured [![shunt-resistor-equation-1-](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-1-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-1-compressor.jpg) Since shunt is in parallel with ammeter, [![shunt-resistor-equation-2-](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-2-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-2-compressor.jpg) [![shunt-resistor-equation-3-](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-3-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-3-compressor.jpg) From above equation we get, [![shunt-resistor-equation-4](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-4-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-4-compressor.jpg) [![shunt-resistor-equation-5-](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-5-compressor.jpg)](https://circuitglobe.com/wp-content/uploads/2016/08/shunt-resistor-equation-5-compressor.jpg) Where N is the ratio of the total current (I) to be measured to the full-scale deflection current Im is known as the multiplying power of the shunt. The shunt is used in the galvanometer for measuring the large current. It is connected in parallel to the circuit of the galvanometer. The galvanometer is the current sensing devices. The direction of flow of current inside the circuit is determined by the pointer of the galvanometer.
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