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In a series R-L-C circuit at resonance, the voltages across the resistor and the inductors...

Physics
JAMB 2021

In a series R-L-C circuit at resonance, the voltages across the resistor and the inductors are 30V and 40V respectively. What is the voltage across the capacitor?

  • A. 30V
  • B. 40V
  • C. 50V
  • D. 70V
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Correct Answer: Option B
Explanation

AT resonance; X\(_{L}\) = X\(_{c}\)

\(\therefore\) = V\(_{L}\) = V\(_{c}\) = 40V

There is an explanation video available below.

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Explanation Video

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