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In a series circuit and the voltage and the frequency of the main supply is and respectively. On taking out the capacitance from the circuit the current lags behind the voltage by . On taking out the inductor from the circuit the current leads the voltage by . The power dissipated in the circuit is:

  1. A
  2. B
  3. C
    Zero W
  4. D

Solution & Step-by-step Explanation

1. When is removed: .2. When is removed: .Since , the original circuit is in resonance.At resonance, impedance .Power .

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In a series circuit and the voltage and the frequency of the main supply is and respectively. On taking out the capacitance from the circuit the current lags behind the voltage by . On taking out the inductor from the circuit the current leads the voltage by . The power dissipated in the circuit is:
A
B
C
Zero W
D

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