MCQOPTIONS
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| 1. |
In an electrodynamometer wattmeter |
| A. | the fixed coils providing magnetic flux are connected across the power line |
| B. | the compensated wattmeter improves its accuracy by using windings with opposite currents with respect to series windings |
| C. | if the full-scale power measured is 100 W, then the half-scale power will be 10 W |
| D. | it can measure a.c. power but is unsuitable for d.c. power |
| Answer» C. if the full-scale power measured is 100 W, then the half-scale power will be 10 W | |