Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the total gain of amplifiers with a power gain of 6, 8, 5 when connected in series?

A. 24
B. 20
C. 19
D. 240
Answer» E.
2.

The power output of an amplifier is 7 watts. The power gain is 80. What is the input power?

A. 87.5mW
B. 87.5W
C. 13W
D. 13mW
Answer» B. 87.5W
3.

What is the output signal voltage for a gain of 20 and input voltage of 20mV?

A. 400V
B. 4V
C. 400mV
D. 10V
Answer» D. 10V
4.

What is the gain of the signal if output and input voltages are 700V and 50mV respectively?

A. 14000
B. 14
C. 71
D. 71400
Answer» B. 14
5.

What is the component in which the output voltage is higher than the input voltage?

A. Attenuator
B. Amplifier
C. Differential
D. Multiplexer
Answer» C. Differential