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# Exercise 28.34 - Enhanced - with Feedback A closely wound, circular coil with radius 2.30 cm...

Exercise 28.34 - Enhanced - with Feedback A closely wound, circular coil with radius 2.30 cm has 800 turns. Part A What must the current in the coil be if the magnetic field at the center of the coil is 0.0790 T? Express your answer with the appropriate units. ANSWER: I= Part B At what distance x from the center of the coil, on the axis of the coil, is the magnetic field half its value at the center? Express your answer with the appropriate units. ANSWER: 2

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