Q. At resonance, the parallel circuit constituted by an iron-cored coil and a capacitor behaves like

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Q. In figure, the current I

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Q. Which of the following is/are correct? The circuit shown in the figure.

1. is reciprocal
2. has Z11 = 2, Z22 = 2
3. has Z11 = 4, Z22 = 2
4. has Z11 = 0, Z22 = 2

Select the correct answer using the code given below:

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Q. In the figure shown, assume that all the capacitors are initially unchanged and Vi(t) = 10 U(t) volts then V0(t) is given by

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Q. For the network in figure, the correct loop equation for loop 3 is

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Q. In the below circuit, if the power dissipated in the 6 Ω resistor is zero then V is

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Q. In figure, the switch S is initially open and steady state conditions are reached. At t = 0 switch is closed. The initial current through 2C capacitor is

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Q. In the circuit of figure the current through 5 Ω resistance at t = ∞ is

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Q. The Q factor of a series RLC circuit is

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Q. The following function

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Q. If the network in figure (1), (2) are equivalent at terminals A - B, then voltage V and resistance R are

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Q. A unit impulse current δ (t - b) is applied to a capacitance C. The voltage across capacitance is

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Q. For circuit in figure, which combination of VTH and RTH represents the circuit as seen from ab?

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Q. If two network is connected in series-parallel connection then

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Q. For the two ports in figure, y11 = 8 mho, y12 = y21 = -6 mho and y22 = 6 mho. The values of YA, YB, YC respectively are

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Q. The following circuit resonates at

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Q. If F1(s) and F2(s) are two positive real functions, then the function which is always positive real is

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Q. Two coupled coils A and B are connected in series. The total inductances in series aiding and series opposing connections are LA and LB. The mutual inductance M is

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Q. The differential equation for the current i(t) in the circuit of the figure is

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Q. In the circuit shown in figure, maximum power will be transferred when

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