MCQOPTIONS
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| 1. |
The full-scale deflecting torque of a 20 A moving-iron ammeter is 6 × 10-5 N-m. What is the rate of change of self-inductance with respect to the deflection of the pointer of the ammeter at full scale? |
| A. | 0.5 μH/rad |
| B. | 0.2 μH/rad |
| C. | 1.3 μH/rad |
| D. | 0.3 μH/rad |
| Answer» E. | |