Question

The sinusoidal wave form can be varied by using which of the following parameters?
I. Frequency of the carrier wave
II. Amplitude of the carrier wave
III. Phase angle

A. I only
B. I and II only
C. I and III only
D. III only
E. I, II and III​

Answer 1

Answer:

D. III only

Explanation:

Phase angle represents the displacement of the point of the medium where the wave is travelling

Answer 2

Answer:

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