Magnetics 1 Question 8

8. A magnetic field B=B0j^ exists in the region a<x<2a and B=−B0j^, in the region 2a<x<3a, where B0 is a positive constant. A positive point charge moving with a velocity v=v0i^, where v0 is a positive constant, enters the magnetic field at x=a. The trajectory of the charge in this region can be like

(2007, 3M)

(a)

(b)

Show Answer

Answer:

Correct Answer: 8. (a)

Solution:

  1. Fm=q(v×B)
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