Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

System of Particle and Rotational Motion

Question:

Choose the only false statement from the following-

Options:

The resistivity of a semiconductor increases with increase in temperature

Substances with energy gap of the order of 10eV are insulators.

In conductors the valence and conduction bands may over lap

The conductivity of a semiconductor increases with increases in temperature.

Correct Answer:

The resistivity of a semiconductor increases with increase in temperature

Explanation:

The resistivity of a semiconductor decreases with increase in temperature.