Explore topic-wise MCQs in Analog Circuits.

This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

The power rating of the amplifier is 100watts then the transistor can only operate at ___________

A. Power higher than 100w
B. Power lower than 100w
C. Power near to 100w
D. Power lower than 200W
Answer» C. Power near to 100w
Discussion
2.

Which of the following audio speaker will be hard to be driven by a power amplifier?

A. 4ohm
B. 8ohm
C. 12ohm
D. 2ohm
Answer» E.
Discussion
3.

For a perfect power amplifier output power rating will be ________ if the output impedance is halved.

A. Halved
B. Squared
C. Doubled
D. Square rooted
Answer» D. Square rooted
Discussion
4.

Transistor in power amplifier is ___________

A. An active device
B. A passive device
C. A op-amp
D. A voltage generating device
Answer» B. A passive device
Discussion
5.

Input stage of power amplifier is also called ___________

A. First op
B. Beginning stage
C. Front end
D. Normal stage
Answer» D. Normal stage
Discussion
6.

Power amplifier directly amplifies ___________

A. Voltage of signal
B. Current of the signal
C. Power of the signal
D. All of the mentioned
Answer» E.
Discussion
7.

Which device was used for the amplification of audio signals before the invention of power amplifiers?

A. Diode
B. Op-amp
C. Vacuum tubes
D. SCR
Answer» D. SCR
Discussion
8.

Unit of power rating of a transistor is expressed in ___________

A. Watts
B. KWh
C. W/s
D. Wh
Answer» B. KWh
Discussion
9.

The unwanted characteristics of amplifier output apart from the desired output is collectively termed as ___________

A. Inefficiency
B. Damage
C. Fault
D. Distortion
Answer» E.
Discussion
10.

The use of amplifier in a circuit is to _____________ for input signal.

A. Provide a phase shift
B. Provide strength
C. Provide frequency enhancement
D. Make circuit compatible
Answer» C. Provide frequency enhancement
Discussion
11.

WHICH_OF_THE_FOLLOWING_AUDIO_SPEAKER_WILL_BE_HARD_TO_BE_DRIVEN_BY_A_POWER_AMPLIFIER?$

A. 4ohm
B. 8ohm
C. 12ohm
D. 2ohm
Answer» E.
Discussion
12.

The_power_rating_of_amplifier_is_100watts_then_the_transistor_can_only_operate_at$

A. Power higher than 100w
B. Power lower than 100w
C. Power near to 100w
D. Power lower than 50w
Answer» C. Power near to 100w
Discussion
13.

For a perfect power amplifier output power rating will be ________ if output impedance is halved?

A. Halved
B. Squared
C. Doubled
D. Square rooted
Answer» D. Square rooted
Discussion
14.

Transistor in power amplifier is

A. An active device
B. A passive device
C. A op-amp
D. A voltage generating device
Answer» B. A passive device
Discussion
15.

Input stage of power amplifier is also called

A. First op
B. Beginning stage
C. Front end
D. Normal stage
Answer» D. Normal stage
Discussion
16.

Power amplifier directly amplifies

A. Voltage of signal
B. Current of the signal
C. Power of the signal
D. All of the mentioned
Answer» E.
Discussion
17.

Which device is used for the amplification of audio signal before power amplifiers

A. Diode
B. Op-amp
C. Vacuum tubes
D. SCR
Answer» D. SCR
Discussion
18.

Unit of power rating of a transistor is expressed in

A. Watts
B. KWh
C. W/s
D. Wh
Answer» B. KWh
Discussion
19.

The unwanted characteristics of amplifier output apart from desired output is collectively termed as

A. Inefficiency
B. damage
C. Fault
D. Distortion
Answer» E.
Discussion
20.

The use of amplifier in a circuit is to _____________ for input signal

A. Provide a phase shift
B. Provide strength
C. Provide frequency enhancement
D. Make circuit compatible
Answer» C. Provide frequency enhancement
Discussion