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Question

In a series RCL circuit at resonance, the applied ac voltage is 220V. The potential drop across the inductance is 110V, what is the potential drop across the capacitor?


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Solution

Step 1:Given

V=220V and VL=110V

Given that the circuit is at resonance.

Step 2:Estimate voltage across capacitor:

We know that during resonance VL=VC

Therefore, the potential drop across the capacitor is

VC=110V

Hence, the potential drop across the capacitor is 110V.


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