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In an ac circuit, the potential differences across an inductance and resistance joined in series are, respectively, 16 V and 20 V. The total potential difference across the circuit is

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a
20 V
b
25.6 V
c
31.9 V
d
53.5 V

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detailed solution

Correct option is B

Vrms=XL2+R2=162+202=25.6 V

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