Q. Lead becomes a superconductor at

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Q. A second order system will have

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Q. √L/C has the dimension of

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Q. In metals, the flow of current is due to

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Q. Two port network is said to be symmetrical if

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Q. For a series resonant circuit at low frequency impedance is __________ and at high frequency circuit impedance is __________ .

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Q. If Y(s) = 1 + s, the network has

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Q. In a Hurwitz polynomial

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Q. To neglect a current source the terminals across the source are

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Q. At very low temperatures, semiconducting materials behave as insulators.

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Q. The series element for a prototype high pass filter is

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Q. The scale factor for half wave and full wave rectifier is __________ respectively.

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Q. The time constant of a series RL circuit is

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Q. An RL impedance function is to be synthesised in second Foster form. The proper function to be expanded is

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Q. Ideally an attenuator pad should not change

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Q. If two networks are connected in series of individual Z parameter as Za and Zb then equivalent Z is

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Q. The model of a system

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Q. Q of a coil

A. increases with Q increasing frequency
B. varies linearly with frequency
C. increase with increasing frequency because R increases at high frequency
D. decrease after the peak frequency because R increases at H.F.

The correct statements are

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Q. The shot circuit admittance matrix of a two port network is

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Q. h parameters are used in transistor analysis.

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