m of PMMC based Ammeter Calculator

✖Meter Resistance refers to the inherent electrical resistance present within a measuring instrument. It is the resistance that the instrument itself presents to the flow of electric current.ⓘ Meter Resistance [R_m]			+10% -10%
✖Shunt Resistance refers to a low-resistance pathway connected in parallel with a measuring instrument to divert most of the current and enable accurate measurement.ⓘ Shunt Resistance [R_sh]			+10% -10%

✖Multiplying Power refers to the mechanism by which shunt resistors are used to divert most of the current, allowing the meter to measure higher currents accurately.ⓘ m of PMMC based Ammeter [m]

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m of PMMC based Ammeter Solution

STEP 0: Pre-Calculation Summary

Formula Used

Multiplying Power = 1+(Meter Resistance/Shunt Resistance)
m = 1+(R_m/R_sh)
This formula uses 3 Variables

Variables Used

Multiplying Power - Multiplying Power refers to the mechanism by which shunt resistors are used to divert most of the current, allowing the meter to measure higher currents accurately.
Meter Resistance - (Measured in Ohm) - Meter Resistance refers to the inherent electrical resistance present within a measuring instrument. It is the resistance that the instrument itself presents to the flow of electric current.
Shunt Resistance - (Measured in Ohm) - Shunt Resistance refers to a low-resistance pathway connected in parallel with a measuring instrument to divert most of the current and enable accurate measurement.

STEP 1: Convert Input(s) to Base Unit

Meter Resistance: 30 Ohm --> 30 Ohm No Conversion Required
Shunt Resistance: 10 Ohm --> 10 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

m = 1+(R_m/R_sh) --> 1+(30/10)

Evaluating ... ...

m = 4

STEP 3: Convert Result to Output's Unit

4 --> No Conversion Required

FINAL ANSWER

4 <-- Multiplying Power

(Calculation completed in 00.004 seconds)

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Created by Nikita Suryawanshi

Vellore Institute of Technology (VIT), Vellore

Nikita Suryawanshi has created this Calculator and 100+ more calculators!

Verified by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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< Ammeter Calculators

Rsh of PMMC based Ammeter

LaTeX Go Shunt Resistance = (Meter Current*Meter Resistance)/(Electric Current-Meter Current)

Resistance at switch position n for multi range Ammeter

LaTeX Go Resistance at nth Switch Position = (Resistance at Switch Position 1+Meter Resistance)/Nth Multiplying Factor

Nth resistance in multi-range Ammeter

LaTeX Go Nth Multiplier Resistance = Meter Resistance/(Nth Multiplying Factor-1)

m of PMMC based Ammeter

LaTeX Go Multiplying Power = 1+(Meter Resistance/Shunt Resistance)

m of PMMC based Ammeter Formula

LaTeX Go

Multiplying Power = 1+(Meter Resistance/Shunt Resistance)
m = 1+(R_m/R_sh)

What is PMMC?

PMMC stands for Permanent Magnet Moving Coil. The instruments which use the permanent magnet for creating the stationary magnetic field between which the coil moves are known as a permanent magnet moving coil or PMMC instruments.

How to Calculate m of PMMC based Ammeter?

m of PMMC based Ammeter calculator uses Multiplying Power = 1+(Meter Resistance/Shunt Resistance) to calculate the Multiplying Power, The m of PMMC based ammeter formula is defined as the multiplying power of the PMMC. It can also be calculated by (I/Iₘ). Multiplying Power is denoted by m symbol.

How to calculate m of PMMC based Ammeter using this online calculator? To use this online calculator for m of PMMC based Ammeter, enter Meter Resistance (R_m) & Shunt Resistance (R_sh) and hit the calculate button. Here is how the m of PMMC based Ammeter calculation can be explained with given input values -> 21 = 1+(30/10).

FAQ

What is m of PMMC based Ammeter?

The m of PMMC based ammeter formula is defined as the multiplying power of the PMMC. It can also be calculated by (I/Iₘ) and is represented as m = 1+(R_m/R_sh) or Multiplying Power = 1+(Meter Resistance/Shunt Resistance). Meter Resistance refers to the inherent electrical resistance present within a measuring instrument. It is the resistance that the instrument itself presents to the flow of electric current & Shunt Resistance refers to a low-resistance pathway connected in parallel with a measuring instrument to divert most of the current and enable accurate measurement.

How to calculate m of PMMC based Ammeter?

The m of PMMC based ammeter formula is defined as the multiplying power of the PMMC. It can also be calculated by (I/Iₘ) is calculated using Multiplying Power = 1+(Meter Resistance/Shunt Resistance). To calculate m of PMMC based Ammeter, you need Meter Resistance (R_m) & Shunt Resistance (R_sh). With our tool, you need to enter the respective value for Meter Resistance & Shunt Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Multiplying Power?

In this formula, Multiplying Power uses Meter Resistance & Shunt Resistance. We can use 1 other way(s) to calculate the same, which is/are as follows -

Multiplying Power = (Meter Resistance/Shunt Resistance)*sqrt((1+((Angular Frequency*Inductance)/Meter Resistance)^2)/(1+((Angular Frequency*Shunt Inductance)/Shunt Resistance)^2))

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