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When a voltage \( V=V_{0} \cos \omega t \) is applied across a
P resistor of resistance \( R \), the average power dissipated

W per cycle in the resistor is given by
(1) \( \frac{V_{0}}{\sqrt{2} R} \)
(2) \( \frac{V_{0}}{\sqrt{2} \omega R} \)
(3) \( \frac{V_{0}^{2}}{2 R} \)
(4) \( \frac{V_{0}^{2}}{2 \omega R} \)
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