Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

A straight wire of mass 100 g and length 1.5 m carries a current of 2 A. It is suspended in mid air by a uniform horizontal magnetic filed as shown in the figure. What is the magnitude of the magnetic field? (acceleration due to gravity = $10 ms^{-2}$.)

Options:

0.33 T

3.33 T

3.00 T

0.67 T

Correct Answer:

0.33 T

Explanation:

The correct answer is Option (1) → 0.33 T