Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

In a meter bridge experiment null point is obtained at 20 cm from one end when resistance X is balanced against resistance Y, where X < Y. Then, the new position of the null point from the same end if X is replaced by 4X will be

Options:

50 cm

80 cm

40 cm

70 cm

Correct Answer:

50 cm

Explanation:

The correct answer is Option (1) → 50 cm