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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Q. For the mechanical system of figure, the correct differential equation is (where x = displacement in m, M = mass in kg, B = damping constant, N - sec/m K is spring constant, N/m and F = force, newton).

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Q. In the given circuit, V1 = 40 V when R is 10 Ω. When R is zero, the value of V2 will be

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Q. An input circuit has both direct and alternating current flowing through it. It is desired to transfer alternating current only by using one of the coupling units shown in figure. The coupling circuit which will do this job most effectively is

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Q. Consider the following statements:

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Q. A series RLC circuit is overdamped when

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Q. In figure, V1 = 40 V when R = 10 Ω, if R = 0, V2 will be

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Q. The time constant of the circuit in figure is

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