MHT-CET

32. Communication System question bank (Physics)

Practice 22 free MHT-CET Physics - 32. Communication System questions with answers and step-by-step solutions.

Start free Book a demo
All Easy Hard Medium
Q1.

In a communication system,the range for line-of-sight propagation on Earth is $d$ for an antenna height of $h$. If $h$ is doubled,then the new range is:

(A)
$\frac{d}{\sqrt{2}}$
(B)
$\frac{\sqrt{2}}{d}$
(C)
$\frac{d}{2}$
(D)
$\sqrt{2} d$
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Q2.

In amplitude modulation,

(A)
both amplitude and frequency do not change according to information signal.
(B)
amplitude remains constant but frequency changes according to information signal.
(C)
both amplitude and frequency change according to information signal.
(D)
amplitude of carrier wave changes according to information signal.
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Protected Questions

Unlock All 19 Questions in 32. Communication System

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign in to unlock Create free account

Sign up free to access all 19 questions

Unlock every 32. Communication System question, generate papers, and practice at your own pace.

Start free