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NEET UG PHYSICS MCQ: ALTERNATING CURRENT

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Application +4 | -1
A series LCR circuit with inductance 10 H, capacitance 10 μF10\,\mu F resistance 50  Ω50\,\,\Omega is connected to an ac source of voltage, V = 200 sin(100 t) volt. If the resonant frequency of the LCR circuit is v∘,{v_ \circ }, and the frequency of the ac source is vv, then :
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Correct option: C
v∘=v=50πHz{v_ \circ } = v = \frac{{50}}{\pi }Hz
Option C (v∘=v=50πHz{v_ \circ } = v = \frac{{50}}{\pi }Hz) is correct because both the resonant frequency and the frequency of the AC source are calculated to be 50πHz\frac{{50}}{\pi }Hz.

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