Q. The impedance parameter z21 is

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Q. Measurement of an unknown voltage with a dc potentiometer loses its advantage of open circuit measurement when

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Q. A parallel resonant circuit can be used

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Q. Which of the following theorems enables a number of voltage (or current) sources to be combined directly into a single voltage (or current) source?

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Q. If the numerator of Z(s) is one degree higher than denominator, Z(s) has a pole at infinity.

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Q. An m derived low pass filter has fc = 1000 Hz, f∞ = 1250 Hz and m = 0.6. If m is increased, then

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Q. Which pair is correctly matched?

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Q. Mesh analysis is applicable __________ only.

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Q. The design of wave filter is based on characteristic impedance which is

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Q. A system is said to be marginal stable if

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Q. Assertion (A): In state space analysis, capacitors are taken to be in tree.

Reason (R): State variable analysis is very suitable for computer solution.

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Q. In the analogy between electric and magnetic circuits permeability is analogous to

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Q. Two port circuits are connected in parallel. To determine the response, it is more convenient to use

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Q. The dual of a link is

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Q. A network is said to be two port network if there is

1. no independent source in the network
2. no dependent source in the network
3. non-linear component in the circuit
4. no external connection exist between I/P and 0/P

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Q. In a network

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Q. In a circuit with capacitance connected to ac source, the rate of change of capacitor voltage is constant.

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Q. Assertion (A): If Z1(s) and Z2(s) are positive real then Z1(s) + Z2(s) as well as 1/Z1(s) and 1/Z2(s) are positive real.

Reason (R): The poles of a positive real function are real or occur in conjugate pairs.

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Q. A variable resistance R and capacitive reactance XC are connected in series. As R is varied, the locus of Z is

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Q. The dual of a node is

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