Question

What is the function of radio receiver?

(a) to detect and amplify information signal from the carrier

(b) to modulate a message signal

(c) to produce radio waves

(d) to convert one form of energy into other

I have been asked this question in class test.

This intriguing question comes from Receiver topic in chapter Elements of Communication System of Analog Communications

Answer 1

Correct choice is (a) to detect and amplify information signal from the carrier

The explanation: Receiver is to detect and amplify information signal from the carrier. Transmitter is used to modulate message signal and produce radio waves. Transducer is used to convert one signal form of energy into another form.