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Meter Current for Shunt Type Ohmmeter Formula

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Meter Current is the current flowing through the coil of an ohmmeter when in working state. Check FAQs

I m = \frac{V s \cdot R x}{R s \cdot R m + R x \cdot R s + R x \cdot R m}

I_m - Meter Current?V_s - Source Voltage?R_x - Unknown Resistance?R_s - Shunt Resistance?R_m - Meter Resistance?

Meter Current for Shunt Type Ohmmeter Example

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Here is how the Meter Current for Shunt Type Ohmmeter equation looks like with Values.

Here is how the Meter Current for Shunt Type Ohmmeter equation looks like with Units.

Here is how the Meter Current for Shunt Type Ohmmeter equation looks like.

1.6593 = \frac{220 \cdot 140}{37.5 \cdot 75 + 140 \cdot 37.5 + 140 \cdot 75}

1.6593A = \frac{220V \cdot 140Ω}{37.5Ω \cdot 75Ω + 140Ω \cdot 37.5Ω + 140Ω \cdot 75Ω}

1.6593 = \frac{220 \cdot 140}{37.5 \cdot 75 + 140 \cdot 37.5 + 140 \cdot 75}

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Meter Current for Shunt Type Ohmmeter Solution

Follow our step by step solution on how to calculate Meter Current for Shunt Type Ohmmeter?

FIRST Step Consider the formula

I m = \frac{V s \cdot R x}{R s \cdot R m + R x \cdot R s + R x \cdot R m}

Next Step Substitute values of Variables

∴

I m = \frac{220V \cdot 140Ω}{37.5Ω \cdot 75Ω + 140Ω \cdot 37.5Ω + 140Ω \cdot 75Ω}

Next Step Prepare to Evaluate

∴

I m = \frac{220 \cdot 140}{37.5 \cdot 75 + 140 \cdot 37.5 + 140 \cdot 75}

Next Step Evaluate

∴

I m = 1.65925925925926A

LAST Step Rounding Answer

∴

I m = 1.6593A

Meter Current for Shunt Type Ohmmeter Formula Elements

Variables

Meter Current

Meter Current is the current flowing through the coil of an ohmmeter when in working state.

Symbol: I_m

Measurement: Electric CurrentUnit: A

Note: Value should be greater than 0.

Formulas to find Meter Current

Source Voltage

Source Voltage refers to as a fundamental element that supplies electrical energy to a circuit.

Symbol: V_s

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Source Voltage

Unknown Resistance

Unknown Resistance is the value of the unknown resistance connected for measurement.

Symbol: R_x

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Unknown Resistance

Shunt Resistance

Shunt Resistance is a type of resistor specifically designed to divert or shunt a known portion of electrical current away from a primary circuit.

Symbol: R_s

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Shunt Resistance

Meter Resistance

Meter Resistance refers to the internal resistance of a measuring instrument. This resistance is inherent to the design of the instrument and affects the accuracy of measurements made by the device.

Symbol: R_m

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Meter Resistance

Other formulas in Shunt Type category

Go Half Scale Resistance for Shunt Type Ohmmeter

R h = \frac{R s \cdot R m}{R s + R m}

Go Fraction of Full Scale Current for Shunt Type Ohmmeter

S = \frac{R x}{R x + R m}

How to Evaluate Meter Current for Shunt Type Ohmmeter?

Meter Current for Shunt Type Ohmmeter evaluator uses Meter Current = (Source Voltage*Unknown Resistance)/(Shunt Resistance*Meter Resistance+Unknown Resistance*Shunt Resistance+Unknown Resistance*Meter Resistance) to evaluate the Meter Current, Meter Current for Shunt Type Ohmmeter formula gives magnitude of meter current for a given voltage source, meter resistance, series adjusting resistance and unknown resistance. Meter Current is denoted by I_m symbol.

How to evaluate Meter Current for Shunt Type Ohmmeter using this online evaluator? To use this online evaluator for Meter Current for Shunt Type Ohmmeter, enter Source Voltage (V_s), Unknown Resistance (R_x), Shunt Resistance (R_s) & Meter Resistance (R_m) and hit the calculate button.

FAQs on Meter Current for Shunt Type Ohmmeter

What is the formula to find Meter Current for Shunt Type Ohmmeter?

The formula of Meter Current for Shunt Type Ohmmeter is expressed as Meter Current = (Source Voltage*Unknown Resistance)/(Shunt Resistance*Meter Resistance+Unknown Resistance*Shunt Resistance+Unknown Resistance*Meter Resistance). Here is an example- 0.116902 = (220*140)/(37.5*75+140*37.5+140*75).

How to calculate Meter Current for Shunt Type Ohmmeter?

With Source Voltage (V_s), Unknown Resistance (R_x), Shunt Resistance (R_s) & Meter Resistance (R_m) we can find Meter Current for Shunt Type Ohmmeter using the formula - Meter Current = (Source Voltage*Unknown Resistance)/(Shunt Resistance*Meter Resistance+Unknown Resistance*Shunt Resistance+Unknown Resistance*Meter Resistance).

Can the Meter Current for Shunt Type Ohmmeter be negative?

No, the Meter Current for Shunt Type Ohmmeter, measured in Electric Current cannot be negative.

Which unit is used to measure Meter Current for Shunt Type Ohmmeter?

Meter Current for Shunt Type Ohmmeter is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Meter Current for Shunt Type Ohmmeter can be measured.

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Meter Current for Shunt Type Ohmmeter Formula

Meter Current for Shunt Type Ohmmeter Example

Meter Current for Shunt Type Ohmmeter Solution

Meter Current for Shunt Type Ohmmeter Formula Elements

Other formulas in Shunt Type category

How to Evaluate Meter Current for Shunt Type Ohmmeter?

FAQs on Meter Current for Shunt Type Ohmmeter

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