Q. Assertion (A): In drawing an electric circuit analogous to a mechanical circuit, spring is replaced by capacitance.

Reason (R): The behaviour of a spring and capacitor are similar.

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Q. Two coils having equal resistance but different inductances are connected in series. The time constant of the series combination is

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Q. Kirchoff's laws are applicable to

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Q. In solid dielectrics the rate of deterioration doubles for every 10-12°C rise in temperature.

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Q. An RLC series circuit is excited by a step voltage E. The circuit current at t = 0 is

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Q. Consider the following: Energy storage capability of basic passive elements is due to the fact that

1. resistance dissipates energy
2. capacitance stores energy
3. inductance dissipates energy

Which of the above is/are correct?

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Q. In an ac circuit that delivers constant power at varying p.f., the current is

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Q. The parameter A of a two port network is equal to

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Q. The relation AD - BC = 1 where A, B, C, D are transmission parameters of a network is valid for

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Q. A network N is dual of network N if

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Q. A dielectric should have poor heat conductivity.

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Q. The ability of a radio receiver to discriminate between different input signals and to accept only one definite signal is called its

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Q. Assertion (A): A graph can have many trees.

Reason (R): The number of tree branches is equal to number of nodes.

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Q. Electric shock is

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Q. The first critical frequency nearest the origin of the complex frequency plane for an RL driving point impedance will be

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Q. For a reactance function H(s)

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Q. A sinusoidal current having peak value of 7.07 A is superimposed on dc of 5A. If a hot-wire ammeter is used to measure the combined current in the circuit, it will indicate __________ ampere.

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Q. An ideal current source has

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Q. The series element in band pass filter is

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Q. For an RC admittance function

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