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
Ans: A
lies between conductors and insulators
Question: 2
The device which converts alternating current into direct current is called
(A) alternator
(B) converter
(C) transformer
(D) rectifier
Ans: 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
Ans: C
Boolean algebra
Question: 4
_____ are used as regulators.
(A) Zener diodes
(B) Voltage stabilizer
(C) LED's
(D) LCD's
Ans: A
Zener diodes
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
Ans: D
valence electrons
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