JEE Advanced · PhysicsEasy
A particle of charge and mass moves with velocity perpendicular to a uniform magnetic field . What is the radius of the circular path described by the particle?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: A —
Solution
- The magnetic force provides the centripetal force, so .
- Rearranging for the radius , we get .
- Hence the answer is (A).
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