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


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