1.

A 5 A, 110 V electrodynamic type wattmeter has a scale having 110 divisions. Its pressure coil is fed by a voltage of [110 √2 cos314) + √2sin(942t) V and its current coil carries a current of [5√ 2cos(314t + 60) + 2√ 2sin (628t + 90) + √2cos(642t + 90)] A. The needle of the wattmeter will move to

A. 110 divisions
B. 50 divisions
C. 54 divisions
D. 55 divisions
Answer» E.


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