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 the same instant, the magnitude of the potential difference in volt, across the ac source may be
(a) \( 4+3 \sqrt{3} \)
(b) \( \frac{4+3 \sqrt{3}}{2} \)
(c) \( 1+\frac{\sqrt{3}}{2} \)
(d) \( 2+\frac{\sqrt{3}}{2} \)
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