Question: A student makes a short electromagnet by winding a wire 374 times around a non-conductive pipe with a radius of 0.0447 m. The coil
A student makes a short electromagnet by winding a wire 374 times around a non-conductive pipe with a radius of 0.0447 m. The coil is connected to a battery producing a current of 9.11 A in the wire. At what axial distance z >>> d will the magnetic field have the magnitude 0.0839 T? m
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