A moving iron ammeter produces a full-scale torque of 240 μN-m with a deflection of 120° at a current of 10 A. the rate of change of self-inductance (μH/rad) of the instrument at full scale is?

Question:
A moving iron ammeter produces a full-scale torque of 240 μN-m with a deflection of 120° at a current of 10 A. the rate of change of self-inductance (μH/rad) of the instrument at full scale is?

1. 2.0 μH/rad

2. 4.8 μH/rad

3.12.0 μH/rad

4.114.6 μH/rad

Posted Date:-2022-05-05 05:09:55


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