Explore topic-wise MCQs in Analog Communications.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Communications knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of these amplifiers is used for impedance matching?

A. Common Base
B. Common Emitter
C. Common Collector
D. Common Base & Emitter
Answer» D. Common Base & Emitter
2.

The intermediate frequency of a superheterodyne receiver is 500KHz. What is the image frequency at 1200KHz?

A. 600KHz
B. 500KHz
C. 700KHz
D. 200KHz
Answer» D. 200KHz
3.

Helical antenna is circularly polarized.

A. True
B. False
Answer» B. False
4.

If the distance between antenna and source doubles, the received signal power decreases by 1 4.

A. True
B. False
Answer» B. False
5.

Power density from an isotropic antenna is equal to ________

A. ( frac{P_t}{4 pi R^2} )
B. ( frac{P_c}{4 pi R^2} )
C. ( frac{P_t}{2 pi R^2} )
D. ( frac{P_t}{4 pi R} )
Answer» B. ( frac{P_c}{4 pi R^2} )