Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

Which of the following characteristics of electron determines the current in a conductor?

Options:

Drift velocity alone

Thermal velocity alone

Both drift and thermal velocity

Neither drift nor thermal velocity

Correct Answer:

Drift velocity alone

Explanation:

The correct answer is Option (1) → Drift velocity alone

The current I = neAvd, where vd is drift velocity.

∴ The drift velocity of electron determines the current in a conductor.