Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

Which of the following is true?

Options:

Resistivity and resistance are the same.

Resistivity and resistance have the same units.

As area of cross section increases, the resistivity increases.

None of the above.

Correct Answer:

As area of cross section increases, the resistivity increases.

Explanation:

ρ = R\(\frac{A}{l}\)