Home
Class 12
PHYSICS
An antenna is a device...

An antenna is a device

A

converts electromagnetic energy into radio frequency signal

B

converts radio frequency signal into electromagnetic energy

C

converts guided electromagnetic waves into free space electromagnetic waves and vice versa

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Production and detection of amplitude modulated wave)|31 Videos
  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Space communication )|58 Videos
  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Bandwidth of signals)|7 Videos
  • CIRCULAR MOTION

    NIKITA PUBLICATION|Exercise Multiple Choice Question|421 Videos
  • CURRENT ELECTRICITY

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|314 Videos

Similar Questions

Explore conceptually related problems

Sonar is a device for

A transmitting antenna is at a height of 25 m and the receiving antenna is at a height of 64 m .The maximum distance between them for satisfactory communication is nearly

A transmitting antenna is at a height of 40 m and the receiving antenna is at a height of 60 m .The maximum distance between them for satisfactory communication is nearly

A TV transmission tower antenna is at a height of 20m. Suppose that the receiveing antenna is at. (i) ground level (ii) a height of 5m The increase in antenna range in case (ii) relative to case (i) is n%. The value of n, to the nearest integer, is..........

If both the length of an antenna and the wavelength of the signal to be transmitted are doubled, the power radiated by the antenna

Assertion: A dish antenna is highly directional. Reasion: This is because a dipole antenna omnidirectional.

A radiowave that travels in a straight line from the transmitting antenna to the receiving antenna is know as