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NEET 2010 (AIPMT, Prelims) · Series LCR Circuit

Series LCR Circuit question from NEET 2010 (AIPMT, Prelims)

Q61NEET 2010 · AIPMT · PRELIMSMedium

Series LCR Circuit

In the given circuit the reading of voltmeter V1 and V2 are 300 volts each. The reading of the voltmeter V3 and ammeter A are respectively

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Answer: (b)

$V_1 = V_2$ means $V_L = V_C$ , i.e. $X_L = X_C$ : resonance.
At resonance $V_L$ and $V_C$ cancel, so $V_3 = V_R = 220$ V.
$I = \frac{220}{100} = 2.2$ A
So the answer is (b) 220 V, 2.2 A.

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