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Question

Physics Question on Magnetic Field due to a Current Element

For a long wire carrying a current of 10 A, the magnitude of magnetic field at a point 4 cm away from it will be:

A

4×10−510^{-5}T

B

2x10−510^{-5}T

C

10−510^{-5}T

D

5×10−510^{-5}T

Answer

5×10−510^{-5}T

Explanation

Solution

The correct option is (D): 5×10−510^{-5}T