A long straight wire carries a current I = 10A. At what distance is the magnetic

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A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m?

Options:

A . 1.19 m.

B . 1.59 m.

C . 1.29 m.

D . 1.39 m.

Answer: Option B

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