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NEET Sample Paper NEET Sample Test Paper-69

  • question_answer
    In a circuit, the current lags behind the voltage by a phase difference of \[\pi /2\], the circuit will contain which of the following          

    A) only R              

    B) only C        

    C) R and C                        

    D) only L         

    Correct Answer: D

    Solution :

    When a circuit contains inductance only, then the current lags behind the voltage by the phase difference of \[\frac{\pi }{2}\,\,\,or\,\,90{}^\circ \]. While in a purely capacitive circuit, the current leads the voltage by a phase angle of \[\frac{\pi }{2}\,\,\,or\,\,90{}^\circ \]. In a purely resistive circuit, current is in phase with the applied voltage.


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