set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following cannot be fabricated on an IC?

a) Inductors and transformers

b) Diodes

c) Transistors

d) Resistors

Question : 2

The transistor are usually made of

a) metals with high temperature coefficient of resistivity

b) metals with low temperature coefficient of resistivity

c) metal oxides with high temperature coefficient of resistivity

d) semiconducting materials having low temperature coefficient of resistivity

Question : 3

The waves used in telecommunication are

a) UV

b) Microwave

c) IR

d) Cosmic rays

Question : 4

At absolute zero, Si acts as

a) metal

b) insulator

c) non-metal

d) None of these

Question : 5

Light Emitting Diode (LED) converts

a) electrical energy into light energy

b) thermal energy into light energy

c) light energy into electrical energy

d) mechanical energy into electrical energy

Question : 6

In frequency modulation:

a) The frequency of modulated wave varies as amplitude of modulating wave

b) The amplitude of modulated wave varies as amplitude of carrier wave

c) The amplitude of modulated wave varies as frequency of carrier wave

d) The frequency of modulated wave varies as frequency of modulating wave.