In Fig. a, two circular loops, with different currents but the same radius of r, are centered on the z-axis. They are initially separated by distance I, with loop 2 positioned at the origin of the axis. The currents in the two loops produce a net magnetic field at the origin, with the z component Bz. That component is to be measured as loop 2 is gradually moved in the positive direction of the z-axis. Fig. b gives B, as a function of the position z of loop 2. The curve approaches an asymptote of Bz mT as z → co, Find the expressions for (a) current i, in loop 1 and (b) current iz in loop 2? 20 1 -40 z (cm) (a) (b)

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In Fig. a, two circular loops, with different currents but the same radius of r, are centered on the z-axis. They are initially
separated by distance 1, with loop 2 positioned at the origin of the axis. The currents in the two loops produce a net
magnetic field at the origin, with the z component Bz. That component is to be measured as loop 2 is gradually moved
in the positive direction of the z-axis. Fig. b gives B, as a function of the position z of loop 2. The curve approaches an
|asymptote of Bz mT as z → o, Find the expressions for (a) current i, in loop 1 and (b) current iz in loop 2?
20
2
-40
z (cm)
(a)
(b)
00
Transcribed Image Text:In Fig. a, two circular loops, with different currents but the same radius of r, are centered on the z-axis. They are initially separated by distance 1, with loop 2 positioned at the origin of the axis. The currents in the two loops produce a net magnetic field at the origin, with the z component Bz. That component is to be measured as loop 2 is gradually moved in the positive direction of the z-axis. Fig. b gives B, as a function of the position z of loop 2. The curve approaches an |asymptote of Bz mT as z → o, Find the expressions for (a) current i, in loop 1 and (b) current iz in loop 2? 20 2 -40 z (cm) (a) (b) 00
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