At a Point 10 M Away from a Long Straight $\vec { B }$

question 135

Short Answer

At a point 10 m away from a long straight thin wire,the $\vec { B }$ field due to the wire is 0.10 mT.What is the current through the wire? (μ₀ = 4π × 10^-7 T ∙ m/A)

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