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.

Which of the following modulating signal voltage would cause over-modulation on a carrier voltage of 10v?

A. 9.5
B. 9.99
C. 10
D. 12
Answer» E.
2.

What is the modulation index value if Vmax=5.9v and Vmin=1.2v?

A. 0.5
B. 0.662
C. 0.425
D. 0.14
Answer» C. 0.425
3.

What is the condition for greatest output power at the transmitter without distortion?

A. Modulating signal voltage > Carrier voltage
B. Modulating signal voltage < Carrier voltage
C. Modulating signal voltage = Carrier voltage
D. Modulating signal voltage = 0
Answer» D. Modulating signal voltage = 0
4.

When does over-modulation occur?

A. Modulating signal voltage < Carrier voltage
B. Modulating signal voltage > Carrier voltage
C. Modulating signal voltage = Carrier voltage
D. Modulating signal voltage =0
Answer» C. Modulating signal voltage = Carrier voltage