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franci2005

a wire carries 15 A. You form it into a singleturn circular loop with magnetic field 80 µT at the loop center. What is the loop radius?

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  1. thor89
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    6

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  2. akash123
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    use the formula B(at the center)= (4 pi * 10^(-7) ) * I (current) / ( 2 radius)

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