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

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?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 30V
  • B 40V
  • C 50V
  • D 70V
Correct Answer: Option B
Explanation:
AT resonance; X\(_{L}\) = X\(_{c}\)
\(\therefore\) = V\(_{L}\) = V\(_{c}\) = 40V

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