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MHT CET Physics question

PhysicsAlternating CurrentMHT CET

An alternating emf of 100 V (rms) is applied to a series LCR circuit. At resonance, the potential difference across the inductance and across the capacitance is 400 V each. The p.d. across the resistance will be

Answer: (A)

Solution

At resonance and cancel, so the whole supply voltage appears across R: V; 400 V and 800 V

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Question ID VK-081781