In Figure P28.73, point P is the common center of two circular arcs of wire, the larger
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In Figure P28.73, point P is the common center of two circular arcs of wire, the larger of radius \(70 \mathrm{~mm}\) and the smaller of radius \(20 \mathrm{~mm}\). What are the magnitude and direction of the magnetic field at \(\mathrm{P}\) if the current through the wire is \(3.0 \mathrm{~mA}\) ?
Data from Figure P28.73
Transcribed Image Text:
20 mm P 70 mm 13.01 3.0 mA
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