Homework Answers
Consifer
the external force is F.
the magnetic
force ( Lorentz force) :
FL = B * I
* L ......... (1)
I = e
/R
e = B * L
*v
Use
equation (1).
FL = B *
(e/R) * L
= B * ( B * L *v)/R * L
= B^2 * L^2 *v/R
Now,
F =
FL
0.08 = B^2 *
0.5^2 * 0.5/0.1
B =
0.25 T
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