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PHYSICS
An antenna...

An antenna

A

Converts AF wave to RF wave

B

RF signal into electromagnetic energy

C

Converts the guided em waves into free space em waves and vice versa.

D

Super imposes AF wave on RF wave.

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • A TV transmitting antenna is 80 m tall. If the receiving antenna is on the ground The service area is

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    `12 pi sq km`
    B
    `144 pi sq km`
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    `1024 pi sq km`
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    `1024pi` sq km
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    A
    `22.5` km
    B
    `27.5` km
    C
    50 km
    D
    25 km

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