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Alternating Current
Question
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In an LCR series a.c. circuit, the voltage across each of the components, L, C and R is 50 V. The voltage across the LC combination will be

  • 50 V

  • 50√2 V

  • 100 V

  • 0 V(zero)

Answer

D.

0 V(zero)

In an LCR series a.c. circuit, the voltage across inductor L leads the current by 900 and the voltage across capacitor C lags behind the current by 900. Hence, the voltage across LC combination will be zero.

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