Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

When a potential difference is applied across a copper wire, the drift velocity of the electrons is v. If the same potential difference is applied across another copper wire of the same length but twice the diameter, the drift velocity of electrons will be

Options:

2 v

3 v

v

v/2

Correct Answer:

v

Explanation:

The correct answer is Option (3) → v