Q. In ZRC(s) has a pole at s = 0, the first element in second Foster realization is

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Q. A delta connection contains three impedances of 60 Ω each. The impedances of equivalent star connection will be

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Q. The voltage in a circuit follows the law v = 100 sin ωt if the frequency is 25 Hz, how long will it take for the voltage to rise to 50 volts?

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Q. In solids the current flow is due to electrons only.

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Q. In a discharging R-L circuit voltage across the resistor exhibits

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Q. Which one is correct statement?

1. Circuit is always open
2. Network is always open
3. Circuit is always closed
4. Network is always closed

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Q. A source is delivering maximum power to a resistance through a network. The ratio of power delivered to the source power,

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Q. Which one is correct option?

1. A pure capacitor never dissipates energy, but only stores.
2. Capacitor can store finite amount of energy even cunent is zero.
3. The current through a capacitor is zero if voltage across it d.c.
4. Voltage across a capacitor cannot change instantaneously since it would require an infinite current.
5. qc(0-) = qc(0+)

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Q. If a driving point function N(s) = p(s)/q(s), then

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Q. For a half wave rectified voltage, the form factor and peak factor respectively are

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Q. A series LCR circuit consisting of R = 20 Ω, | XL | = 20 Ω and | XC | = 20 Ω, connected across an A.C. supply of 200 V rms. The rms voltage across the capacitor is

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Q. Assertion (A): In KVL equations involving mutually coupled circuits the sign of M terms can be positive or negative.

Reason (R): Dot convention helps in determining sign of M terms in KVL equations.

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Q. The condition AD - BC = 1 for two port network implies that the network is a

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Q. The units for electrochemical equivalent are

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Q. The impedance 3.2 - j 12 in polar form is given as

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Q. The poles of an RC function

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Q. Damping ratio =

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Q. In admittance parameter set, the dependent variables are the currents at the two ports.

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Q. A constant k low pass filter has fc = 500 Hz. At f = 1000 Hz, the attenuation is

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Q. For an R-C impedance function, the residues at all poles are

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