Question

A student discovers that the magnitude of the magnetic field in a specific location near a...

A student discovers that the magnitude of the magnetic field in a specific location near a long wire is .3 micro-T. If the wire carries a current of 10A what is the distance from the wire to that location?

A. 0.25m

B. 0.15m

C. 6.7m

D. 0.67m

Thank you

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Answer #1

The equation for magnetic field due to long straight wire is, 13 our 4Tx10- T m/A)(10A) 3x10 T 47x 107 T m/A (10 A) 27(3x103

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