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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