A metallic conductor connected to a batt

CUET Preparation Today

Start Free Mocks

Home Questions KYSQ4FC38P

Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

A metallic conductor connected to a battery is heated due to the passage of current. The quantity which does not change is:

Options:

Resistance

Resistivity

Number of free electrons per unit volume

Drift speed of electrons

Correct Answer:

Number of free electrons per unit volume

Explanation:

The correct answer is Option (3) → Number of free electrons per unit volume