Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

The resistivity of a conductor in which a current density of $3.5\, A\, m^{-2}$ is found to exist on applying an electric field of $28\, V\, m^{-1}$ will be

Options:

0.125 Ω m

4 Ω Μ

8 Ω m

98 Ω m

Correct Answer:

8 Ω m

Explanation:

The correct answer is Option (3) → 8 Ω m