An infinitely long wire carries a current of I = 150 A. Randomized Variables I = 150 A  Part (a)  Consider a circle with a radius r and centered on the wire. Determine the magnitude of the magnetic field B at points along the circle in terms of I and r.   Part (b)  If r = 0.14 m, calculate the numerical value of B in tesla.

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Chapter1: Units, Trigonometry. And Vectors
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 An infinitely long wire carries a current of I = 150 A.

Randomized Variables
I = 150 A

 Part (a)  Consider a circle with a radius r and centered on the wire. Determine the magnitude of the magnetic field B at points along the circle in terms of I and r. 

 Part (b)  If r = 0.14 m, calculate the numerical value of B in tesla. 

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