Q. Which of the following material has nearly zero temperature-coefficient of resistance?

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Q. Poor power factor

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Q. If two networks are cascaded then

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Q. When a series RL circuit is switched on to a dc voltage, the rate of change of current is maximum at t = 0.

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Q. At very low frequencies a series R-C circuit behaves as almost purely __________ .

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Q. In a composite filter terminating half sections are used for impedance matching.

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Q. The bridge is balanced when the value of R is

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Q. When a series RL circuit having power factor angle 0 is switched on to an ac voltage Vm sin (ωt + Φ), the transient term is zero if Φ = 0.

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Q. A series resonant circuit is capacitive at f = 150 Hz. The circuit will be inductive somewhere at

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Q. A current increasing at the rate of 1A/s is passed through a 1 H inductor. At t = 0, i = 0. The flux linkages after 1 sec are

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Q. When an ac circuit has sources of different frequencies, the only method of analysis is superposition theorem.

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Q. In a Parallel connection of circuit the bandwidth in terms of R, L, C is

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Q. It two voltages are v1 = 100 sin (ωt - 30°) and v2 = cos ω t then

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Q. In a purely inductive ac circuit the power curve is a sinusoid of the same frequency as the voltage.

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Q. The superposition theorem is applicable to

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Q. The capacity of a battery is expressed in terms of

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Q. In terms of z parameters, the condition for the network to be passive is

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Q. Among the filter, Bessel, Butterworth and chebyshev, the filter with maximally flat response is

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Q. If a two port network is represented by an equivalent T network the admittance of series arm in term of ABCD parameter is equal to

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Q. In a driving point function poles and zeros must be conjugate if complex or imaginary.

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