Example
Two parallel wires with current flowing in the same direction,
1
2A
i
=
&
2
3A
i
=
.
Find
the field at vertex the of 3030120 isosceles triangle.
Because the magnetic field is perpendicular to radii away from the wires, the angle
between
B
G
and the horizontal is
90
30
60
°−
° =
°
(true for both
B
G
s).
x:
1
2
cos60
cos60
1.25μ
Τ
B
B
° +
° =
,
y:
1
2
sin 60
sin 60
2.165μ
Τ
This is the end of the preview.
Sign up
to
access the rest of the document.
 Spring '08
 IYER
 Physics, Pythagorean Theorem, Current, triangle, 0.4 m, similar sample problem, B2 B2=1.5µT, B2 cos

Click to edit the document details