Deflecting torque of PMMC instrument Calculator

✖Number of Turns of Magnetic Coil PMMC specifies the number of turns of the coil of magnetic coil under testing.ⓘ Number of Turns of Magnetic Coil PMMC [N]			+10% -10%
✖Flux Density in PMMC refers to the concentration of magnetic field lines within the coil's core, crucial for generating the deflecting torque that moves the coil in response to current.ⓘ Flux Density in PMMC [B]			+10% -10%
✖Coil Length PMMC determines the number of turns and the effective area within the magnetic field, crucial for generating a proportional deflection in response to current.ⓘ Coil Length PMMC [l]			+10% -10%
✖Coil Width PMMC affects the coil's mechanical stability and sensitivity to external influences, such as magnetic fields, ensuring accurate measurement of current by minimizing disturbances.ⓘ Coil Width PMMC [d]			+10% -10%
✖Total Current PMMC causes the coil to rotate due to the interaction between the magnetic field of the permanent magnet and the current, indicating the magnitude of the current being measured.ⓘ Total Current PMMC [i]			+10% -10%

✖Deflecting Torque PMMC is the force applied to a measuring instrument, such as a meter or galvanometer, causing it to rotate. It's proportional to the current passing through the device's coil.ⓘ Deflecting torque of PMMC instrument [T]

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Formula

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Deflecting torque of PMMC instrument

Formula

`"T" = "N"*"B"*"l"*"d"*"i"`

Example

`"88.2N*m"="70"*"4.5Wb/m²"*"7m"*"2m"*"0.02A"`

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Deflecting torque of PMMC instrument Solution

STEP 0: Pre-Calculation Summary

Formula Used

Deflecting Torque PMMC = Number of Turns of Magnetic Coil PMMC*Flux Density in PMMC*Coil Length PMMC*Coil Width PMMC*Total Current PMMC
T = N*B*l*d*i
This formula uses 6 Variables

Variables Used

Deflecting Torque PMMC - (Measured in Newton Meter) - Deflecting Torque PMMC is the force applied to a measuring instrument, such as a meter or galvanometer, causing it to rotate. It's proportional to the current passing through the device's coil.
Number of Turns of Magnetic Coil PMMC - Number of Turns of Magnetic Coil PMMC specifies the number of turns of the coil of magnetic coil under testing.
Flux Density in PMMC - (Measured in Tesla) - Flux Density in PMMC refers to the concentration of magnetic field lines within the coil's core, crucial for generating the deflecting torque that moves the coil in response to current.
Coil Length PMMC - (Measured in Meter) - Coil Length PMMC determines the number of turns and the effective area within the magnetic field, crucial for generating a proportional deflection in response to current.
Coil Width PMMC - (Measured in Meter) - Coil Width PMMC affects the coil's mechanical stability and sensitivity to external influences, such as magnetic fields, ensuring accurate measurement of current by minimizing disturbances.
Total Current PMMC - (Measured in Ampere) - Total Current PMMC causes the coil to rotate due to the interaction between the magnetic field of the permanent magnet and the current, indicating the magnitude of the current being measured.

STEP 1: Convert Input(s) to Base Unit

Number of Turns of Magnetic Coil PMMC: 70 --> No Conversion Required
Flux Density in PMMC: 4.5 Weber per Square Meter --> 4.5 Tesla (Check conversion here)
Coil Length PMMC: 7 Meter --> 7 Meter No Conversion Required
Coil Width PMMC: 2 Meter --> 2 Meter No Conversion Required
Total Current PMMC: 0.02 Ampere --> 0.02 Ampere No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

T = N*B*l*d*i --> 70*4.5*7*2*0.02

Evaluating ... ...

T = 88.2

STEP 3: Convert Result to Output's Unit

88.2 Newton Meter --> No Conversion Required

FINAL ANSWER

88.2 Newton Meter <-- Deflecting Torque PMMC

(Calculation completed in 00.004 seconds)

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Home » Engineering » Electronics and Instrumentation » Electrical Instrumentation » Permanent Magnet Moving Coil (PMMC) » Deflecting torque of PMMC instrument

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Created by Nikita Suryawanshi

Vellore Institute of Technology (VIT), Vellore

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Birsa Institute of Technology (BIT), Sindri

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< 2 Permanent Magnet Moving Coil (PMMC) Calculators

Angle of deflection of PMMC

Go Deflection Angle PMMC = (Number of Turns of Magnetic Coil PMMC*Flux Density in PMMC*Coil Length PMMC*Coil Width PMMC*Total Current PMMC)/Spring Constant PMMC

Deflecting torque of PMMC instrument

Go Deflecting Torque PMMC = Number of Turns of Magnetic Coil PMMC*Flux Density in PMMC*Coil Length PMMC*Coil Width PMMC*Total Current PMMC

Deflecting torque of PMMC instrument Formula

Deflecting Torque PMMC = Number of Turns of Magnetic Coil PMMC*Flux Density in PMMC*Coil Length PMMC*Coil Width PMMC*Total Current PMMC
T = N*B*l*d*i

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 does torque in PMMC work?

When a current flows through the coil, it generates a magnetic field that is proportional to the current in the case of an ammeter. The deflecting torque is produced by the electromagnetic action of the current in the coil and the magnetic field. When the torques are balanced, the moving coil will stop and its angular deflection represents the amount of electrical current to be measured against a fixed reference, called a scale.

How to Calculate Deflecting torque of PMMC instrument?

Deflecting torque of PMMC instrument calculator uses Deflecting Torque PMMC = Number of Turns of Magnetic Coil PMMC*Flux Density in PMMC*Coil Length PMMC*Coil Width PMMC*Total Current PMMC to calculate the Deflecting Torque PMMC, The Deflecting torque of PMMC instrument is produced by the electromagnetic action of the current in the coil and the magnetic field. Deflecting Torque PMMC is denoted by T symbol.

How to calculate Deflecting torque of PMMC instrument using this online calculator? To use this online calculator for Deflecting torque of PMMC instrument, enter Number of Turns of Magnetic Coil PMMC (N), Flux Density in PMMC (B), Coil Length PMMC (l), Coil Width PMMC (d) & Total Current PMMC (i) and hit the calculate button. Here is how the Deflecting torque of PMMC instrument calculation can be explained with given input values -> 126 = 70*4.5*7*2*0.02.

FAQ

What is Deflecting torque of PMMC instrument?

The Deflecting torque of PMMC instrument is produced by the electromagnetic action of the current in the coil and the magnetic field and is represented as T = N*B*l*d*i or Deflecting Torque PMMC = Number of Turns of Magnetic Coil PMMC*Flux Density in PMMC*Coil Length PMMC*Coil Width PMMC*Total Current PMMC. Number of Turns of Magnetic Coil PMMC specifies the number of turns of the coil of magnetic coil under testing, Flux Density in PMMC refers to the concentration of magnetic field lines within the coil's core, crucial for generating the deflecting torque that moves the coil in response to current, Coil Length PMMC determines the number of turns and the effective area within the magnetic field, crucial for generating a proportional deflection in response to current, Coil Width PMMC affects the coil's mechanical stability and sensitivity to external influences, such as magnetic fields, ensuring accurate measurement of current by minimizing disturbances & Total Current PMMC causes the coil to rotate due to the interaction between the magnetic field of the permanent magnet and the current, indicating the magnitude of the current being measured.

How to calculate Deflecting torque of PMMC instrument?

The Deflecting torque of PMMC instrument is produced by the electromagnetic action of the current in the coil and the magnetic field is calculated using Deflecting Torque PMMC = Number of Turns of Magnetic Coil PMMC*Flux Density in PMMC*Coil Length PMMC*Coil Width PMMC*Total Current PMMC. To calculate Deflecting torque of PMMC instrument, you need Number of Turns of Magnetic Coil PMMC (N), Flux Density in PMMC (B), Coil Length PMMC (l), Coil Width PMMC (d) & Total Current PMMC (i). With our tool, you need to enter the respective value for Number of Turns of Magnetic Coil PMMC, Flux Density in PMMC, Coil Length PMMC, Coil Width PMMC & Total Current PMMC and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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