Physics Semiconductor Multiple Choice Questions & Answers - 1

Question: 1

The resistivity of semiconductor

(A) lies between conductors and insulators

(B) is equal to zero

(C) less than that of insulators

(D) is greater than that of conductors

Question: 2

The device which converts alternating current into direct current is called

(A) alternator

(B) converter

(C) transformer

(D) rectifier

Question: 3

______ is applied to the operation of computer devices.

(A) Modern algebra

(B) Vector algebra

(C) Boolean algebra

(D) None of the above

Question: 4

_____ are used as regulators.

(A) Zener diodes

(B) Voltage stabilizer

(C) LED's

(D) LCD's

Question: 5

The electrons in the atom of an element which determine its chemical and electrical properties are called

(A) active electrons

(B) excess electrons

(C) revolving electrons

(D) valence electrons