JEE Main 2022 Physics question

Not in JEE or NEET syllabus

Choose the correct statement for amplitude modulation :

(1)Amplitude of modulating signal is varied in accordance with the information signal.
(2)Amplitude of modulated signal is varied in accordance with the information signal.
(3)Amplitude of carrier signal is varied in accordance with the information signal.Correct
(4)Amplitude of modulated signal is varied in accordance with the modulating signal.

Answer: (3)

Solution

In amplitude modulation the amplitude of the carrier signal is varied in accordance with the message (information) signal.

Question ID VK-025303