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Q.

An rms voltage of 110 V is applied across a series circuit having a resistance 11Ω and an impedance 22ΩThe power consumed is

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a

275 W

b

366 W

c

550 W

d

1100 W

answer is A.

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Detailed Solution

P=EvIv cosϕ;P=EvEvZRZor P=E2vRZ2=110×110×1122×22=275 W
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