A wire carries 6.71 A. You form it into a single-turn circular loop and measure a magnetic
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A wire carries 6.71 A. You form it into a single-turn circular loop and measure a magnetic field of 42.8 μT at the loop center.
(a) What’s the loop’s radius?
(b) What’s the field strength on the loop axis at 10.0 cm from the loop center?
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