which of the below are the uses of transistor?

I. for current amplification.

II. for voltage stabilization.

III. for power amplification.

IV. as a switch.

A. I, II, III and IV
B. I, III, and IV only
C. I, II and III only
D. I, II and IV only

Correct Answer:

Option B = I, II and III only

Explanation

Transistor is used for amplification of current, power, and as a switch in logic gates.