This preview shows page 1. Sign up to view the full content.
64. Looking at the point in the graph (Fig. 2854(b)) corresponding to
i
2
= 0 (which
means that coil 2 has no magnetic moment) we are led to conclude that the magnetic
moment of coil 1 must be
52
1
2.0 10
A m .
µ
−
=×
⋅
Looking at the point where the line
crosses the axis (at
i
2
= 5.0 mA) we conclude (since the magnetic moments cancel there)
that the magnitude of coil 2’s moment must also be
2
2.0 10
A m
−
=
×⋅
when
2
0.0050 A
i
=
which means (Eq. 2835)
This is the end of the preview. Sign up
to
access the rest of the document.
 Spring '08
 Any
 Physics

Click to edit the document details