4. A moving coil instrument has the following data, Number of turms 100, Width of coil – 20 mm, W- 20mm Depth of coil 30 mm, D- 30mm flux density in the air gap - 0.1 Wb m. Calculate the deflecting torque when the coil carry a current of 10 mA. Also calculate the deflection, if the control spring constant (K) is 2 x 104 Nm'degree.

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4. A moving coil instrument has the following data, Number of tums - 100, Width of coil - 20
mm, W - 20mm Depth of coil - 30 mm, D- 30mm flux density in the air gap 0.1 Wb m.
Calculate the deflecting torque when the coil carry a current of 10 mA. Also calculate the
deflection, if the control spring constant (K) is 2 x 104 Nm degree.
Transcribed Image Text:4. A moving coil instrument has the following data, Number of tums - 100, Width of coil - 20 mm, W - 20mm Depth of coil - 30 mm, D- 30mm flux density in the air gap 0.1 Wb m. Calculate the deflecting torque when the coil carry a current of 10 mA. Also calculate the deflection, if the control spring constant (K) is 2 x 104 Nm degree.
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