An $A C$ source of 100 V(rms) supplies a current of 10 A (rms) to a circuit. Then power consumed is

= 1000 W

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\leq

1000 W

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\geq

1000 W

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< 1000 W only

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Solution

The correct option is A $\leq$ 1000 W
$P = V_{r m s} I_{r m s} c o s Φ s i n c e 0 \leq c o s Φ \leq 1$
$∴ p \leq 1000 W$

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