Q. A class B amplifier

1. is biased just at cutoff
2. has a high theoretical efficiency of 78.5% because its quiescent current is low
3. is biased at midpoint of load line

Of the above statements

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Q. In CE circuit the parameter f12 is very small.

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Q. In which amplifier circuit is gate conductance negligible?

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Q. Which of the following combinations has no phase inversion of the signal?

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Q. Which of the following h parameters is an admittance?

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Q. Assertion (A): Manufacturer's quote h parameters of transistor

Reason (R): h parameters of a transistor are easiest to measure

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Q. The P-type substrate in a conventional pn Junction isolated integrated circuits should be connected to

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Q. Wien bridge uses

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Q. Which of the following is not necessarily the advantages of a push pull amplifier?

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Q. Which of the following best represents the output impedance of an actual op-amp?

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Q. The phase angle of lead circuit is

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Q. A generator with an internal resistance of 600 Ω drives an amplifier whose input resistance is 400 Ω. The generator's open circuit voltages is 1 mV; the amplifier develops 100mV across an 8kΩ load. The power gain is

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Q. The upper end of the d.c. load line is called the __________ point and the lower end is the __________ point.

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Q. In CE amplifier

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Q. The phase angle of a lag circuit is

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Q. CMOS is widely used in

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Q. A JFET can operate on

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Q. Which of the following is the point of reference JFET?

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Q. A Darlington pair consist of

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Q. The ripple factor of a full wave rectifier is about 0.5

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