Problem 7.34 A fat wire, radius a, carries a constant current I, uniformly dis- tributed over its cross section. A narrow gap in the wire, of width w«a, forms a parallel-plate capacitor, as shown in Fig. 7.45. Find the magnetic field in the gap, at a distance s

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Problem 7.34 A fat wire, radius a, carries a constant current I, uniformly dis-
tributed over its cross section. A narrow gap in the wire, of width w«a, forms
a parallel-plate capacitor, as shown in Fig. 7.45. Find the magnetic field in the gap,
at a distance s <a from the axis.
+0
FIGURE 7.45
Transcribed Image Text:Problem 7.34 A fat wire, radius a, carries a constant current I, uniformly dis- tributed over its cross section. A narrow gap in the wire, of width w«a, forms a parallel-plate capacitor, as shown in Fig. 7.45. Find the magnetic field in the gap, at a distance s <a from the axis. +0 FIGURE 7.45
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