Q. The poles and zeros of a positive real functions are real or occur in conjugate pair.

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Q. A coil is connected across a 200 V, 50 Hz supply and takes a current of 10 A. The loss in the coil is 1000 W. The impedance and resistance of the coil are

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Q. In liquids charge carriers are electrons only.

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Q. The flux linkage ψ, self inductance L and current i are related as

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Q. Assertion (A): A band elimination filter attenuates signals whose frequencies lie between the cutoff frequencies.

Reason (R): A band elimination circuit is very different from band pass circuit.

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Q. In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will

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Q. Two coupled coils lie in parallel planes such that 50% of magnetic flux produced by one links the other. The coefficient of coupling is

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Q. The unit of permeability is

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Q. The ratio of active power to apparent power is known as __________ factor.

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Q. Two RLC series circuit has same damping ratio. Circuit 1 has higher natural frequency as compared to circuit 2. Then

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Q. A series RLC circuit is supplied from a variable frequency ac source. The resonant frequency is ω₀. The voltage across C is maximum at a frequency

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Q. The maximum phase difference between the applied voltage and current in a RLC series current with finite values of R, L, C, and f can be

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Q. A phasor is

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Q. The phase difference (jω - p₁ )

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Q. Which of the following statements is incorrect?

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Q. If the peak value of output of a half wave rectifier is 100 V, the rms value is

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Q. For a flexible cable, most suitable insulation is

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Q. When analysing two port networks in cascade, it is more convenient to use

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Q. For a transfer function H(s) = P(s)/Q(s), where P(s) and Q(s) are polynomials in s

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Q. The inductance of a coil can be increased by

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