Transistors MCQ Questions & Answers | Electrical Engineering

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Each section contains 100 MCQs on Transistors .

At series resonance, voltage across L is ___________ voltage across C

A) Equal to but opposite in phase to B) Equal to but in phase with C) Greater than but in phase with D) Less than but in phase with

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

A transistor is a ___________ operated device

A) current B) voltage C) both voltage and current D) none of the above

Discuss

Answer & Solution

Answer: Option A

Solution:

A transistor is a current-operated device.

In a transistor, the output current is controlled by the input current, specifically the base current controls the collector current.

This characteristic makes it a current-controlled device, unlike some other devices that are controlled by voltage.

Transistor biasing is done to keep ___________ in the circuit

A) Proper direct current B) Proper alternating current C) The base current small D) Collector current small

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

A tuned amplifier is used in ___________ applications

A) Radio frequency B) Low frequency C) Audio frequency D) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The most commonly used transistor arrangement is ___________ arrangement

A) common emitter B) common base C) common collector D) none of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Transistor biasing represents ___________ conditions

A) a.c. B) d.c. C) both a.c. and d.c. D) none of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

At series resonance, the circuit offers ___________ impedance

A) Zero B) Maximum C) Minimum D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

A tuned amplifier is generally operated in ___________ operation

A) Class A B) Class C C) Class B D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

If a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling

A) Loose B) Tight C) Critical D) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

A resonant circuit contains ___________ elements

A) R and L only B) R and C only C) Only R D) L and C

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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