Class 12 Physics Semiconductor Electronics Classification of Materials and Energy Band Theory

Easy

In the case of a semiconductor,which of the following statements is wrong?

A
Doping increases conductivity.
B
The temperature coefficient of resistance is negative.
C
Resistivity is between that of a conductor and an insulator.
D
At absolute zero temperature,it behaves like a conductor.

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Class 12 Questions

Class 12

Physics Questions

Chapter

Semiconductor Electronics

Subtopic

Classification of Materials and Energy Band Theory

Similar Questions

Explain the classification of materials on the basis of resistivity.

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The energy band gap of $Si$ is ........ $eV$.

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Carbon, silicon, and germanium atoms have four valence electrons each. Their valence and conduction bands are separated by energy band gaps represented by $(E_g)_C$, $(E_g)_{Si}$, and $(E_g)_{Ge}$ respectively. Which one of the following relationships is true in their case?

The effect of an increase in temperature on the number of electrons in the conduction band $(n_e)$ and the resistance of a semiconductor will be as follows:

MediumJEE MAIN 2023

The electrons in the conduction band of a semiconductor are called .......

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