Semiconductors NEET Questions

Physics - Electronic Devices

Semiconductors MCQ Questions


7.
What is the band gap of Silicon at room temperature?
A.
1.1 eV
B.
0.7 eV
C.
1.5 eV
D.
2.0 eV
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ANSWER :
A. 1.1 eV
8.
The energy gap of silicon is approximately:

NEET - 2016

A.
1.1 eV
B.
2.3 eV
C.
0.7 eV
D.
5.0 eV
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ANSWER :
A. 1.1 eV
9.
Which element is commonly used for doping to create an n-type semiconductor?
A.
Boron
B.
Phosphorus
C.
Indium
D.
Aluminum
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ANSWER :
B. Phosphorus
10.
A Zener diode is primarily used for:
A.
Voltage regulation
B.
Current amplification
C.
Light emission
D.
Power dissipation
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ANSWER :
A. Voltage regulation
11.
The minority charge carriers in a p-type semiconductor are:
A.
Holes
B.
Electrons
C.
Protons
D.
Neutrons
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ANSWER :
B. Electrons
12.
An n-type semiconductor is obtained by doping silicon with:

NEET - 2017

A.
Aluminium
B.
Boron
C.
Phosphorus
D.
Gallium
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ANSWER :
C. Phosphorus