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An AC supply gives 30 underset(rms)(V) w...

An AC supply gives 30 `underset(rms)(V)` which passes `10 Omega` resistance. The power dissipated in it is

A

90`sqrt 2` W

B

90 W

C

45`sqrt 2` W

D

45 W

Text Solution

Verified by Experts

The correct Answer is:
B
Power dissipated in circuit
P = ``/R = `(30)^(2)`/10 = 90 W
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