Q. In a circuit containing a complex impedance, maximum power transfer takes place when load is

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Q. The resistance of a bulb at the time of full brightness is 1200 Ω. Then the resistance at room temperature is about

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Q. For a delayed half wave rectified wave, the average and rms values are lower than those for half wave.

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Q. A reactance function is always a quotient of

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Q. An ideal voltage source can not be converted into an equivalent current source.

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Q. I = dq/dt.

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Q. A resistance of 5 ohms is connected in one branch of a network. The current in this branch is 2.2. A. If the resistance is increased to 7.5 Ω, the remaining circuit being the same, the current in this branch will be

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Q. A constant k high pass filter has fc = 3000 Hz. At f = 1000 Hz, the phase shift is

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Q. For an RC impedance function Z

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Q. The two port networks are connected in cascade, the combination is to be represented as a single two-Port network. The parameters of the network are obtained by multiplying the individual matrix

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Q. Which one of the following statements is not a property of RL driving point impedance?

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Q. In using mesh current method it is necessary that at least one mesh current links every element.

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Q. If the time is counted from the instant when an ac wave is at its peak value, we get a

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Q. The relative permeability of an iron specimen is 400 when B = 0.2 T. If B = 0.4 T, μᵣ will be

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Q. When a circuit is excited by ac sinusoidal source, the admittance is obtained by letting s = jω in Y(s).

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Q. The transient currents are due to

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Q. When a lead acid cell is in fully charged condition the specific gravity of electrolyte is about 1.22.

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Q. In ZRC(s) has a pole at s = 0, the first element in first Foster realization is

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Q. The sum of positive real function is positive real.

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Q. Assertion (A): KCL is dual of KVL.

Reason (R): Node is dual of mesh.

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