Calculate the magnetic field strength at a point,3 m from a long straight wire carrying a current of 5 A?
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Answer:
B = μ o * I /2π * r = 4π x 10^-7 * 5/ 2π * 3 = 3.33 x 10^-7 T
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Other answers
B = μ o * I /2π * r = 4π x 10^-7 * 5/ 2π * 3 = 3.33 x 10^-7 T
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