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Electric Circui...

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  • Question 1
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    In the circuit of fig. v = 0 for t > 0. The initial condition are v(0) = 6V and dv(0) /dt = -3000 V s. The v(t) for t > 0 is

  • Question 2
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    The circuit shown in fig. P1.6.5 has been open for a long time before closing at t = 0. The initial condition is v(0) = 2V. The v(t) for t > is

  • Question 3
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    Circuit is shown in fig. Initial conditions are i1(0) = i2(0) =11A

    i1 (1s) = ?

  • Question 4
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    Circuit is shown in fig. P.1.6. Initial conditions are (0)i1 = i2(0) = 11A

    i2 (1 s)= ?

  • Question 5
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    vc (t ) =? for t > 0

  • Question 6
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    The switch of the circuit shown in fig. is opened at t = 0 after long time. The v(t) , for t > 0 is

  • Question 7
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    In the circuit of fig.the switch is opened at t = 0 after long time. The current iL(t) for t > 0 is

  • Question 8
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    In the circuit shown in fig.all initial condition are zero.

    If is (t) = 1 A, then the inductor current iL(t) is

  • Question 9
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    In the circuit shown in fig. all initial condition are zero

    If is(t) = 0.5t A, then iL(t) is

  • Question 10
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    In the circuit shown in fig. a steady state has been established before switch closed. The i(t) for t > 0 is

  • Question 11
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    Two 2-port networks with following parameters are connected in series.

    \(Z - parameters\;of\;network - 1 = \left[ {\begin{array}{*{20}{c}} 5&6\\ 9&2 \end{array}} \right]\)

    \(Y - parameters\;of\;network - 2 = \left[ {\begin{array}{*{20}{c}} 9&5\\ 7&4 \end{array}} \right]\)

    The z-parameters of series combination network is

  • Question 12
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    The switch is closed after long time in the circuit of fig. The v(t) for t > 0 is

  • Question 13
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    In the circuit of fig. i(0) = 1A and v(0) = 0. The current i(t) for t > 0 is

  • Question 14
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    In the circuit of fig. a steady state has been established before switch closed. The vo (t) for t >0 is

  • Question 15
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    In the circuit of fig. a steady state has been established before switch closed. The i(t) for t > 0 is

  • Question 16
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    An Inductor works as a ________ circuit for DC supply.

  • Question 17
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    A power factor of a circuit can be improved by placing which, among the following, in a circuit?

  • Question 18
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    Which among the following equations is incorrect?

  • Question 19
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    What is the value of capacitance of a capacitor which has a voltage of 4V and has 16C of charge?

  • Question 20
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    What is the total capacitance when two capacitors C1 and C2 are connected in series?

  • Question 21
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    A resistance of 7 ohm is connected in series with an inductance of 31.8mH. The circuit is connected to a 100V 50Hz sinusoidal supply. Calculate the current in the circuit.

  • Question 22
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    The equivalent circuit of the capacitor shown below is:

  • Question 23
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    The strength of current in 1 Henry inductor changes at a rate of 1 A/sec. The magnitude of energy stored in the inductor after 3 sec is:

  • Question 24
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    The current and voltage profile of an element vs time has been shown in given figure. The element and its value are respectively:

  • Question 25
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    Figure shown below exhibits the voltage-time profile of a source to charge a capacitor of 50 μF. The value of charging current in amperes is:

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