Moving Charges and Magnetism - Result Question 70

71. A particle having charge q moves with a velocity v→ through a region in which both an electric field E→ and a magnetic field B→ are present. The force on the particle is

[2002]

(a) qE→+q(B→×v→)

(b) qE→⋅(B→×v→)

(c) qv→+q(E→×B→)

(d) qE→+q(v→×B→)

Show Answer

Answer:

Correct Answer: 71. (d)

Solution:

  1. (d) Force due to electric field =qE→

Force due to magnetic field =q(v→×B→)

Net force experienced =qE→+q(v→×B→)

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