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A closely wound, circular coil with radius 2.80 cm has 780 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. Submit Request Answer 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.

A closely wound, circular coil with radius 2.80 cm has 780 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. Submit Request Answer 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.

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Part A A closely wound, circular coil with radius 2.80 c m has 780 turns. 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. Submit Request Answer 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.

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