MCQOPTIONS
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| 1. |
A (0 a to 50 A) moving coil ammeter has voltage drop of 0.1 V across its terminals at full scale deflection. The external shunt resistance (in milliohms) needed to extend its range to 0 A to 500 A is. |
| A. | 22.2 mΩ |
| B. | 2.2 mΩ |
| C. | 0.22 mΩ |
| D. | 222.2 mΩ |
| Answer» D. 222.2 mΩ | |