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Voltage and current in an ac circuit are given by
P \( \mathrm{V}=5 \sin \left(100 \pi \mathrm{t}-\frac{\pi}{6}\right) \) and \( \mathrm{I}=4 \sin \left(100 \pi \mathrm{t}+\frac{\pi}{6}\right) \)

W
(1) Voltage leads the current by \( 30^{\circ} \)
(2) Current leads the voltage by \( 30^{\circ} \)
(3) Current leads the voltage by \( 60^{\circ} \)
(4) Voltage leads the current by \( 60^{\circ} \)
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