Question

Increasing the amplitude of the signal without affecting its waveform is known as

(a) amplification

(b) transducer

(c) feed back

(d) none of the mentioned

I had been asked this question in an online quiz.

This interesting question is from Automatic Control topic in section Automatic Control of Machine Dynamics

Answer 1

The correct answer is (a) amplification

To explain: Increasing the amplitude of the signal without affecting its waveform is known as amplification. The device to change a signal which is in one physical form to a corresponding signal in another physical form is known as transducer.