If the strength of the magnetic field at a point r near a long straight current-carrying wire is B. The value of the field at a distance r/2 will be

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If the strength of the magnetic field at a point r near a long straight current-carrying wire is B. The value of the field at a distance r/2 will be

1. B/2

2.B/4

3.2B

4.4B

Posted Date:-2021-12-08 13:31:52

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