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Q-- if a charged particle goes unaccelerated in a region containing electric and magnetic fields.(more then 1 option) a) E must be perpendicular to B b) v must be perpendicular to E c) v must be perpendicular to B d) E must be equal to vB. EXPLAIN IT AND TELL ME Y ( D )IS NOT CORRECT

Q-- if a charged particle goes unaccelerated in a region containing electric and magnetic fields.(more then 1 option)


a) E must be perpendicular to B


b) v must be perpendicular to E


c) v must be perpendicular to B


d) E must be equal to vB.                          


EXPLAIN IT AND TELL ME Y ( D )IS NOT CORRECT

Grade:Upto college level

1 Answers

Chetan Mandayam Nayakar
312 Points
12 years ago

Lorentz force F =q(E+(vxB))=0, E = -vxB, therefore, E is perpendicular to v and B. Thus, a) and b) are correct.

E = -vxB, that is why option d) is wrong

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