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1. |
The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240 x 10-6 N-m on full scale. If B = 1 Wb/m2, range of meter is |
A. | 1 mA |
B. | 2 mA |
C. | 3 mA |
D. | 4 mA |
Answer» C. 3 mA | |