Explore topic-wise MCQs in Analog Communications.

This section includes 11 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.

What is the auto correction function of white noise?

A. Impulse Function
B. Step Function
C. Ramp Function
D. Parabolic Function
Answer» B. Step Function
Discussion
2.

WHAT_IS_THE_AUTO_CORRECTION_FUNCTION_OF_WHITE_NOISE??$

A. Impulse Function
B. Step Function
C. Ramp Function
D. Parabolic Function
Answer» B. Step Function
Discussion
3.

Pick the odd one out.$

A. Cosmic noise
B. Galactic noise
C. Atmospheric noise
D. Polar noise
Answer» C. Atmospheric noise
Discussion
4.

If we double the value of resistor then how it affects the thermal noise power?

A. gets doubled
B. gets halved
C. gets quadrupled
D. remains unchanged
Answer» E.
Discussion
5.

What is the maximum possible value of entropy?

A. 1
B. ‚àû
C. 100
D. 50
Answer» B. ‚Äö√Ñ√∂‚àö‚Ć‚àö¬™
Discussion
6.

Bit is a unit of ________

A. Channel Capacity
B. Entropy
C. Information
D. Rate of information
Answer» D. Rate of information
Discussion
7.

What is the power ratio of one decibel?

A. 2:1
B. 1.26:1
C. 3:1
D. 2.5:1
Answer» C. 3:1
Discussion
8.

Which is the true statement about noise performance of wideband FM system?

A. it is independent of modulation index
B. more prone to noise interference
C. it is independent of signal to noise ratio
D. it exhibits a threshold
Answer» E.
Discussion
9.

What is the spectral density of white noise?

A. varies with bandwidth
B. varies with frequency
C. constant
D. infinite
Answer» D. infinite
Discussion
10.

Neutralization cancels unwanted feedback by bypassing the feedback to the neutral or ground plane.

A. True
B. False
Answer» C.
Discussion
11.

What is the probability density function of thermal noise?

A. Poisson
B. Gaussian
C. Binomial
D. Bessel
Answer» C. Binomial
Discussion