Physics-Biot-Savart Law

NEET Physics Biot-Savart Law MCQ Question

Type: MCQ-numerical-Easy-Class 12

Given a long straight wire carrying a current of 10 A, at a distance of 0.5 m from the wire, what is the magnitude of the magnetic field produced?

A

4 × 10^-8 T

B

2 × 10^-7 T

C

1 × 10^-6 T

D

3 × 10^-7 T

Correct Answer

Option A

Detailed Explanation

Using the Biot-Savart Law with given values: B = (μ0/4π) × (2I/r) = 4 × 10^-8 T, as shown in the NCERT example.

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