EASY
12th West Bengal Board
IMPORTANT
Earn 100

Draw a neat diagram of amplitude modulated wave. Write down the formula o the modulation index.

Important Questions on Communication System

EASY
12th West Bengal Board
IMPORTANT
Previous Years' Solved Papers: Physics West Bengal Board 12>Chapter 23 - Communication System>West Bengal Board-2018>Q 1
What is an antenna? Find the length of a dipole antenna for a carrier wave of frequency 3×108Hz.
EASY
12th West Bengal Board
IMPORTANT
Previous Years' Solved Papers: Physics West Bengal Board 12>Chapter 23 - Communication System>West Bengal Board-2019>Q 2

A TV tower is 120 m high, How much more height is to be added to it if its cover range is ti become double?

 

EASY
12th West Bengal Board
IMPORTANT
Previous Years' Solved Papers: Physics West Bengal Board 12>Chapter 23 - Communication System>West Bengal Board-2019>Q 3
Draw a neat diagram of amplitude modulated wave. Write down the formula o the modulation index.