Home Physics Communication System ( Not In Syllabus ) Karnataka - CET Previous Year Question Amplitude modulation has
Physics Communication System ( Not In Syllabus ) Karnataka - CET Previous Year Question MCQ (Single Correct)

Amplitude modulation has

A
one carrier
B
one carrier with high frequency
C
one carrier with two side band frequencies
D
one carrier with infinite frequencies.

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Text Solution

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The correct answer is:
C

: Amplitude modulation has one carrier with two side band frequencies called upper side band and lower side band. The frequency spectrum of an amplitude modulated wave is shown in the adjacent figure.

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