A piece of insulated wire is shaped into a figure eight as shown in the figure...

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Physics

A piece of insulated wire is shaped into a figure eight as shownin the figure below. For simplicity, model the two halves of thefigure eight as circles. The radius of the upper circle is 4.00 cmand that of the lower circle is 8.00 cm. The wire has a uniformresistance per unit length of 7.00 Ω/m. A uniform magnetic field isapplied perpendicular to the plane of the two circles, in thedirection shown. The magnetic field is increasing at a constantrate of 1.60 T/s.

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Resistance per unit length is Rate of increase in magnetic field Radius of upper circle Radius of lower circle    See Answer
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