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1. |
A moving coil instrument of resistance 5Ω requires a potential difference of 75 mV to give a full scale deflection. The value of shunt resistance needed to give a full scale deflection at 30 A is |
A. | 2.5 mΩ |
B. | 9.99 mΩ |
C. | 5 Ω |
D. | 9.95 Ω |
Answer» B. 9.99 mΩ | |