Comprehension In a series \( L-R \) circuit, connected with a sinusoidal ac source, the maximum ...

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Comprehension
In a series \( L-R \) circuit, connected with a sinusoidal ac source, the maximum potential difference across \( L \) and \( R \) are respectively 3 volts and 4 volts.

At an instant the potential difference across resistor is 2 volts. The potential difference in volt, across the inductor at the same instant will be
(a) \( 3 \cos 30^{\circ} \)
(b) \( 3 \cos 60^{\circ} \)
(c) \( 3 \cos 45^{\circ} \)
(d) None of these
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