Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Semiconductors and Electronic Devices

Question:

The mobility of free electrons is greater than that of free holes because -

Options:

they carry negative charge

mutual collision in them is less

they require low energy to continue their motion

none of these

Correct Answer:

they require low energy to continue their motion

Explanation:
The mobility of free electron is greater than that of free holes because they require low energy to continue their motion.