Explore topic-wise MCQs in Physics.

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

1.

Which among the following can be detected by an envelope detector?

A. Low frequency AM waves
B. Very low frequency AM waves
C. Envelope detectors cannot detect AM waves
D. High frequency AM waves
Answer» E.
2.

The rectifier produces the output required in a communication system.

A. True
B. False
Answer» B. False
3.

Which one of the following is the process of recovering the modulated signal?

A. Amplification
B. Detection
C. Attenuation
D. Transmission
Answer» C. Attenuation
4.

Which of the following is not part of the detector system?

A. Rectifier
B. Envelope detector
C. Amplifier
D. AM wave
Answer» D. AM wave