Q. In radio transmission FM stands for

A
Frequent modulation
B
Frequency modulation
C
Frequency monitoring
D
Frequent monitoring
Solution:

In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.

In analog frequency modulation, such as FM radio broadcasting of an audio signal representing voice or music, the instantaneous frequency deviation, the difference between the frequency of the carrier and its center frequency, is proportional to the modulating signal.

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