Semiconductors

Semiconductors

University

18 Qs

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Semiconductors

Semiconductors

Assessment

Quiz

Physics

University

Practice Problem

Medium

Created by

Seema Mor

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which among these is NOT the property of a semiconductor?

Four electrons in the valence band forming covalent bonds

At 0 Kelvin semiconductor acts like an insulator

Semiconductors have two type of charge carriers

Semiconductors are temperature insensitive

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which among these is the fundamental characteristic of a p type semiconductor

Electrons are the majority charge carriers

Has a tendency to gain an electron

Has a tendency to donate an electron

Easy to conduct electricity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Method implemented to increase conductivity is

Increase electrical field

Increase temperature

Increase doping concentration

Shining light of proper wavelength on the semiconductor

All of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which among these is NOT a semiconductor

Germanium

Silicon

Gallium Arsenide

Titanium

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following DOES NOT hold good for a n type semiconductor

Electron concentration is greater than hole concentration

Obtained by doping an intrinsic semiconductor with a trivalent impurity

Dopants are Phosphorous or Arsenic

Minority charge carriers are holes

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electrons and holes are equal in magnitude but opposite in polarity

True

False

7.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

The maximum energy that an electron in a metal has at the absolute zero temperature is called

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