General Aptitude
- Arithmetic Aptitude
- Data Interpretation
Verbal and Reasoning
Engineering
- Mechanical Engineering
Programming
Technical MCQs
Medical Science

Google

Home
Engineering
Electronics and Communication Engineering
Communication Systems

Communication Systems - Engineering

Communication Systems - Section 1
Communication Systems - Section 2
Communication Systems - Section 3
Communication Systems - Section 4
Communication Systems - Section 5
Communication Systems - Section 6
Communication Systems - Section 7
Communication Systems - Section 8
Communication Systems - Section 9
Communication Systems - Section 10
Communication Systems - Section 11
Communication Systems - Section 12
Communication Systems - Section 13
Communication Systems - Section 14
Communication Systems - Section 15
Communication Systems - Section 16
Communication Systems - Section 17
Communication Systems - Section 18
Communication Systems - Section 19
Communication Systems - Section 20
Communication Systems - Section 21
Communication Systems - Section 22
Communication Systems - Section 23
Communication Systems - Section 24
Communication Systems - Section 25

The contrast control in colour TV receiver is done by

A chroma amplifier

B SAW filter

C video detector

D luminance amplifier

ANS:D - luminance amplifier

Luminance amplifier changes the luminance levels and provides contrast control.

Share :

img not found

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.

Aptitude Crack is a career portal helping career aspirants in their endeavor. We publish best guidance and latest reading material to help our viewers in their upcoming competitive exams and interviews.

Quick Links

About Us
Terms Of Use
PrivacyPolicy
Contact Us

Newsletter

Try for free once

© Copyright 2025 Aptitude Crack . All Rights Reserved.