Physics

12th

grade

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Alternating Current

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3 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    If the capacitance of the L-C circuit is made four times, then the frequency of the circuit becomes

    

    A. Twice

    B. One half

    C. Four times

    D. None

  • 2. Multiple Choice
    30 seconds
    1 pt

    What is the phase angle between the voltages of the inductor and capacitor in a RLC series circuit?

    zero

    90°

    180°

    270°

  • 3. Multiple Choice
    30 seconds
    1 pt

    A Capacitor blocks

    Only a.c.

    Only d.c.

    Both ac and dc

    None of these

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