1000+ Physics Quiz Questions with Answers - 2
Question: 6
A hole in p type semiconductor is
(A) An excess electron
(B) A missing electron
(C) A missing atom
(D) A donor level
Ans: B
A missing electron
Question: 7
The work done in moving a positive charge on an equipotential surface is
(A) Zero
(B) Finite and negative
(C) Finite and positive
(D) Infinite
Ans: A
Zero
Question: 8
The resistance of material increases with temperature. It is a
(A) Metal
(B) Insulator
(C) Semiconductor
(D) None of these
Ans: A
Metal
Question: 9
The inherent property of all matter is/are
(A) Para magnetism
(B) Diamagnetism
(C) Ferromagnetic
(D) None of these
Ans: A
Para magnetism
Question: 10
In a transistor
(A) Both the emitter and the collector are equality doped
(B) Emitter is more heavily doped than the collector
(C) The base is made very thin and is lightly doped
(D) Both (b) and (c)
Ans: D
Both (b) and (c)
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