Explore topic-wise MCQs in Avionics.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.

1.

The unit decibel is a way of expressing the hearing response of the human ear.

A. True
B. False
Answer» B. False
Discussion
2.

What is the value of the total gain if A represent attenuation and G represent gain and all are cascaded?
A1=0.5 G1=5

A. nA<sub>2</sub>=0.035 tG<sub>2</sub>=20
B. 24.465
C. 99.9825
D. 25.535
E. 1.75
Answer» E. 1.75
Discussion
3.

What should be the gain of an amplifier to have zero voltage loss if the signal is already attenuated half that of the original signal?

A. 1/2
B. 1
C. 2
D. 0
Answer» D. 0
Discussion
4.

A two-stage amplifier has an input power of 30 W and an output power of 1.5mW. One stage has a gain of 3. What is the gain of the second stage?

A. 20
B. 16.6
C. 40
D. 22.36
Answer» C. 40
Discussion