Q. The transformer cores operating at microwave frequency ranges are generally made up of

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Q. Saturation region of a JFET is also known as

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Q. Which junction transistor is preferred for high input and low output impedances?

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Q. For operation of enhancement only N-channel MOSFET, value of gate voltage has to be

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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 voltage multiplication is

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Q. The linear transistor circuits always operate in the

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Q. In the graphical analysis of CE amplifier circuit, the intersection of base current and dc load line is called

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Q. In an amplifier circuit the emitter is at ac ground potential in a

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Q. An ideal op-amp has

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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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