Question

In an Amplitude Modulation,

• A. Amplitude of the carrier varies
• B. . Frequency of the carrier remains constant
• C. Phase of the carrier remains constant
• D. all of the above

Answer 1

The correct option is D all of the above

In Amplitude Modulation, the amplitude of carrier waves varies and message signals are modulated over them.Frequency of the carrier remains constant and phase of carrier waves also remains constant.