1the charged particle goes undeviated. so,it cn happen if :
lorentz force is zero. thus ,
→ → →
E = -( V x B)
So, a) is correct and b) is correct ( using crossproduct property )
if a charged particle goes unaccelerated in a region containing electric n magnetic fields,
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
do explain ur answer...THNX
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5 Answers
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1when both magnetic and electric fields exist together , then force experienced by a charged particle of charge q is :
→ → →
F=q ( E + vB ) , where v is the constant velocity of d particle.