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Deflecting torque of PMMC instrument Formula

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Deflecting Torque in 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. Check FAQs
T=N⋅B⋅l⋅d⋅i
T - Deflecting Torque in PMMC?N - Number of Magnetic Coil Turns?B - Flux Density in PMMC?l - Coil Length?d - Coil Width?i - Total Current in PMMC?

Deflecting torque of PMMC instrument Example

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Here is how the Deflecting torque of PMMC instrument equation looks like with Values.

Here is how the Deflecting torque of PMMC instrument equation looks like with Units.

Here is how the Deflecting torque of PMMC instrument equation looks like.

3.281Edit=2Edit⋅5.58Edit⋅7Edit⋅2.1Edit⋅0.02Edit
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Deflecting torque of PMMC instrument Solution

Follow our step by step solution on how to calculate Deflecting torque of PMMC instrument?

FIRST Step Consider the formula
T=N⋅B⋅l⋅d⋅i
Next Step Substitute values of Variables
∴ T=2⋅5.58Wb/m²⋅7m⋅2.1m⋅0.02A
Next Step Convert Units
∴ T=2⋅5.58T⋅7m⋅2.1m⋅0.02A
Next Step Prepare to Evaluate
∴ T=2⋅5.58⋅7⋅2.1⋅0.02
Next Step Evaluate
∴T=3.28104N*m
LAST Step Rounding Answer
∴T=3.281N*m

Deflecting torque of PMMC instrument Formula Elements

Variables
Deflecting Torque in PMMC
Deflecting Torque in 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.
Symbol: T
Measurement: TorqueUnit: N*m
Note: Value should be greater than 0.
Formulas to find Deflecting Torque in PMMCOpen Variable
Number of Magnetic Coil Turns
Number of Magnetic Coil Turns specifies the number of turns of the coil of magnetic coil under testing.
Symbol: N
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formulas to find Number of Magnetic Coil TurnsOpen Variable
Flux Density in PMMC
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.
Symbol: B
Measurement: Magnetic Flux DensityUnit: Wb/m²
Note: Value should be greater than 0.
Formulas to find Flux Density in PMMCOpen Variable
Coil Length
Coil Length determines the number of turns and the effective area within the magnetic field, crucial for generating a proportional deflection in response to current.
Symbol: l
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Formulas to find Coil LengthOpen Variable
Coil Width
Coil Width affects the coil's mechanical stability and sensitivity to external influences, such as magnetic fields, ensuring accurate measurement of current by minimizing disturbances.
Symbol: d
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Formulas to find Coil WidthOpen Variable
Total Current in PMMC
Total Current in 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.
Symbol: i
Measurement: Electric CurrentUnit: A
Note: Value should be greater than 0.
Formulas to find Total Current in PMMCOpen Variable

Other formulas in Permanent Magnet Moving Coil (PMMC) category

​Go Angle of deflection of PMMC
θd=N⋅B⋅l⋅d⋅iK

How to Evaluate Deflecting torque of PMMC instrument?

Deflecting torque of PMMC instrument evaluator uses Deflecting Torque in PMMC = Number of Magnetic Coil Turns*Flux Density in PMMC*Coil Length*Coil Width*Total Current in PMMC to evaluate the Deflecting Torque in 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 in PMMC is denoted by T symbol.

How to evaluate Deflecting torque of PMMC instrument using this online evaluator? To use this online evaluator for Deflecting torque of PMMC instrument, enter Number of Magnetic Coil Turns (N), Flux Density in PMMC (B), Coil Length (l), Coil Width (d) & Total Current in PMMC (i) and hit the calculate button.

FAQs on Deflecting torque of PMMC instrument

What is the formula to find Deflecting torque of PMMC instrument?
The formula of Deflecting torque of PMMC instrument is expressed as Deflecting Torque in PMMC = Number of Magnetic Coil Turns*Flux Density in PMMC*Coil Length*Coil Width*Total Current in PMMC. Here is an example- 3.28104 = 2*5.58*7*2.1*0.02.
How to calculate Deflecting torque of PMMC instrument?
With Number of Magnetic Coil Turns (N), Flux Density in PMMC (B), Coil Length (l), Coil Width (d) & Total Current in PMMC (i) we can find Deflecting torque of PMMC instrument using the formula - Deflecting Torque in PMMC = Number of Magnetic Coil Turns*Flux Density in PMMC*Coil Length*Coil Width*Total Current in PMMC.
Can the Deflecting torque of PMMC instrument be negative?
No, the Deflecting torque of PMMC instrument, measured in Torque cannot be negative.
Which unit is used to measure Deflecting torque of PMMC instrument?
Deflecting torque of PMMC instrument is usually measured using the Newton Meter[N*m] for Torque. Newton Centimeter[N*m], Newton Millimeter[N*m], Kilonewton Meter[N*m] are the few other units in which Deflecting torque of PMMC instrument can be measured.
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