62 O In Fig. 28-51a, two concentric coils, lying in the same plane, carry currents in opposite directions. The current in the larger coil 1 is fixed. Current iz in coil 2 can be varied. Figure 28-51b gives the net magnetic moment of the two-coil system as a function of iz. The vertical axis scale is set by Hnet, = 2.0 x 10-5A m², and the horizontal axis scale is set by iz, = 10.0 mA. If the current in coil 2 is then reversed, what is the magnitude of the net magnetic moment of the two-coil system when iz = 7.0 mA? A net, net,s iz (mA) (a) (b) Hnet (105 A m)
62 O In Fig. 28-51a, two concentric coils, lying in the same plane, carry currents in opposite directions. The current in the larger coil 1 is fixed. Current iz in coil 2 can be varied. Figure 28-51b gives the net magnetic moment of the two-coil system as a function of iz. The vertical axis scale is set by Hnet, = 2.0 x 10-5A m², and the horizontal axis scale is set by iz, = 10.0 mA. If the current in coil 2 is then reversed, what is the magnitude of the net magnetic moment of the two-coil system when iz = 7.0 mA? A net, net,s iz (mA) (a) (b) Hnet (105 A m)
Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 110CP: A circular loop of wire of area 10 cm2 carries a current of 25 A. At a particular instant, the loop...
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Transcribed Image Text:62 O In Fig. 28-51a, two concentric coils, lying in the same
plane, carry currents in opposite directions. The current in the
larger coil 1 is fixed. Current iz in coil 2 can be varied. Figure 28-51b
gives the net magnetic moment of the two-coil system as a function
of iz. The vertical axis scale is set by Hnet, = 2.0 x 10-5A m², and
the horizontal axis scale is set by iz, = 10.0 mA. If the current in
coil 2 is then reversed, what is the magnitude of the net magnetic
moment of the two-coil system when iz = 7.0 mA?
A net,
net,s
iz (mA)
(a)
(b)
Hnet (105 A m)
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