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Question
In frequency modulated wave ______.
Options
frequency varies with time
both frequency and amplitude vary with time
amplitude varies with time
both frequency and amplitude are constant
MCQ
Fill in the Blanks
Solution
In frequency modulated wave frequency varies with time.
Explanation:
In frequency modulated wave, only frequency varies with time, while the amplitude remains constant. This wave can be shown as
It is used in FM broadcasting, telemetry and RADAR etc.
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Common Properties of All Waves
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