NEET 2023 Physics Magnetic Force MCQ Question with Solution

A wire carrying a current I along the positive x-axis has length L. It is kept in a magnetic field B→ = (2î + 3ĵ − 4k̂) T. The magnitude of the magnetic force acting on the wire is:

A

√5 IL

B

5 IL

C

√3 IL

D

3 IL

Correct Answer

Option B

Detailed Explanation

The magnetic force on a current-carrying wire is given by $\mathbf{F} = I(\mathbf{L} \times \mathbf{B})$ . Calculate the cross product and find the magnitude of the force.

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NEET 2023 Physics Magnetic Force MCQ Question

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