Q. For a series circuit of variable R and XL, the impedance locus is

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Q. A capacitor does not allow sudden changes

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Q. Assertion (A): Thevenin's theorem helps us to find current in a branch of a network for different values of impedances of that branch.

Reason (R): Thevenin's equivalent circuit replaces a network by a voltage source in series with impedance.

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Q. If a 'live' conductor of a public supply touches earth metal

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Q. If a fuse is higher than required current rating is employed in a circuit, it will

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Q. A series circuit has fixed resistance and variable reactance. The impedance locus will be a straight line parallel to Y-axis.

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Q. In ionic bonding, the valence electron is donated by one atom and accepted by the other atom.

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Q. For stable network, the real part of poles and zeros of driving point function must be

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Q. Maximum power from a source having internal resistance Ri is delivered to a resistive load RL, if

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Q. Terra-watt is equal to

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Q. The opposition of an inductor to current flow

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Q. In a highly capacitive circuit the

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Q. In ac circuits maximum power is delivered to a load if load impedance is conjugate of source impedance.

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Q. In a series R-L-C circuit at the resonant frequency the

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Q. The dual of a loop is

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Q. If the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be

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Q. Consider the following statements :

1. Tellegen's theorem is applicable to any lumped networks.
2. The reciprocity theorem is applicable to linear bilateral networks.
3. Thevenin's theorem is applicable to two- terminal linear active networks.
4. Norton's theorem is applicable to two-terminal linear active networks.

Which of these statement are correct?

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Q. An RLC series circuit is excited by a step voltage E. The units of roots of characteristic equation are

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Q. An excitation is applied to a system at t = T, and its response is zero for -∞ < t < T, such a system is

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Q. Substitution theorem applies to

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