Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

The increased resistance of a wire if its length is doubled and original cross sectional area is halved will be: (Given R = original resistance of wire)

Options:

$(\frac{3}{4})R$

$\frac{R}{4}$

4R

3R

Correct Answer:

4R

Explanation:

The correct answer is Option (3) → 4R