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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Q. Norton's equivalent circuit

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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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