Q. The function δ (t - b) is a

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Q. In a loss-free R-L-C circuit the transient current is

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Q. The magnitude response of a normalised Butterworth low pass filter is

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Q. In steady state condition inductor behave as

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Q. Assertion (A): Charge is dual of flux.

Reason (R): Short circuit is dual of open circuit.

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Q. For ideal performance, a filter should be terminated in characteristic impedance.

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Q. For a symmetrical network

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Q. The time constant of a series R-C circuit is given by

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Q. The function s² + 1/ s(s² + 2) is an

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Q. Paper capacitors are used in power supplies for filtering.

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Q. In any two port network, input impedance is independent of load impedance.

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Q. Dielectric materials have high specific resistance.

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Q. The resistance of a standard conductor.

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Q. In a driving point function, the degrees of numerator and denominator polynomials in s may differ by either zero or one only.

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Q. The sum of two sine waves of different frequencies is a sine wave.

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Q. Steady state conditions are considered to be achieved in R-L circuits at the end of __________ time constant.

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Q. Two impedances are connected in series. Three voltmeters are connected, one across each impedance and one across combination. The readings of all the three are equal. The phase angle between voltages across the two impedances is

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Q. In a series resonant circuit Q is more than 10. Then the lower half power frequency ω₁, and resonant frequency ω₀ are related as

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Q. If R, L, C are in parallel, the currents through L and C are equal in magnitude at resonance.

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Q. In all pure metals, temperature coefficient of resistance is positive.

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