Q. Noise is added to a signal
✅ Correct Answer: (A)
in the channel
Explanation: noise is an unwanted signal that gets mixed with the transmitted signal while passing through the channel. the noise interferes with the signal and provides distortion in received signal. the transmitting antenna transmits modulated message signal while the receiving antenna receives the transmitted signal. regeneration of information refers to demodulating the received signal to produce the original message signal.