CUET-PG SERIES
Nanoelectronics

Communication Systems

3 previous year questions.

Volume: 3 Ques
Yield: Medium

High-Yield Trend

3
2025

Chapter Questions
3 MCQs

01
PYQ 2025
medium
nanoelectronics ID: cuet-pg-
The transmission efficiency of an ordinary AM signal with a modulation percentage of 80% is:
1
24.24%
2
48.49%
3
20.22%
4
33.33%
02
PYQ 2025
medium
nanoelectronics ID: cuet-pg-
In amplitude modulation:
(A) The envelope detector operates properly, only if
(B) Vestigial sideband modulation is used in television broadcasting.
(C) Selective fading produces more distortion in SSB-SC systems than in DSB-SC.
(D) Efficiency of a suppressed carrier system is 100%, whereas in AM the maximum efficiency is only 33.3%.
Choose the correct answer from the options given below:
1
(A), (B) and (D) only
2
(B) and (C) only
3
(A), (C) and (D) only
4
(B), (C) and (D) only
03
PYQ 2025
medium
nanoelectronics ID: cuet-pg-

Match List-I with List-II:

List-I (Modulation Schemes) List-II (Wave Expressions)
(A) Amplitude Modulation(I)
(B) Phase Modulation(II)
(C) Frequency Modulation(III)
(D) DSB-SC Modulation(IV)

Choose the correct answer:

1
(A)–(I), (B)–(II), (C)–(III), (D)–(IV)
2
(A)–(IV), (B)–(III), (C)–(II), (D)–(I)
3
(A)–(III), (B)–(IV), (C)–(I), (D)–(II)
4
(A)–(I), (B)–(II), (C)–(IV), (D)–(III)

About Communication Systems - CUET-PG

Communication Systems is a vital chapter for CUET-PG aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Communication Systems PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Communication Systems carry the most weight. Then, tackle the questions iteratively to solidify your understanding.