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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Q. Which of the following statement is false?

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Q. The voltage gains of an amplifier without feedback and with negative feedback respectively are 100 and 20. The percentage of negative feedback would be.

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Q. In a CE amplifier circuit, the output voltage

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Q. Which of the following circuit would be preferred for a 355 KHz IF amplifier?

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Q. In a series regulated power supply circuit, the voltage gain Av, of the 'pass' transistor satisfies the condition

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Q. Assertion (A): In CC amplifier the collector is at ac ground

Reason (R): CC amplifier is also called emitter follower

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Q. The circuit consisting of two transistor connected in series with the d.c. supply voltage is called

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Q. Common emitter transistor has

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Q. The purpose of using negative feedback in a op-amps is to

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