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14 April, 21:58

In a single wire, how much current would be required to generate 1 Tesla magnetic field at a 2 meter distance away from the wire?

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  1. 14 April, 22:01
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    12.56 A.

    Explanation:

    The magnetic field of a conductor carrying current is give as

    H = I/2πr ... Equation 1

    Where H = Magnetic Field, I = current, r = distance, and π = pie

    Making I the subject of the equation,

    I = 2πrH ... Equation 2

    Given: H = 1 T, r = 2 m.

    Constant: π = 3.14

    Substitute into equation 2

    I = 2*3.14*2*1

    I = 12.56 A.

    Hence, the magnetic field = 12.56 A.
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