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Physics Test 76...

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  • Question 1
    4 / -1

    An inductance of 4 H, a capacitance of 9  μF and a resistance at 500 Ω are connceted in series with an ac source of 200 V. The frequency of ac source is adjustable. The frequency chosen to maximise the current in the circuit is

  • Question 2
    4 / -1

    200 Ω resistance and 1H inductance are connected in series with an A.C. circuit. The frequency of the source is 200/2π Hz. Then phase difference in between V and I will be:

  • Question 3
    4 / -1

    In series LCR circuit voltage leads the current when (Given that ω0 = resonant angular frequency):

  • Question 4
    4 / -1

    In an a.c. circuit V and I are given by

    V = 100 sin (100 t) volts

    I = 100 sin (100t + π/3) mA

    The power dissipated in the circuit is:

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