Moving Charges And Magnetism Ques 4
4. A particle of mass $m$, charge $Q$ and kinetic energy $T$ enters a transverse uniform magnetic field of induction $\vec{B}$. After $3$ seconds, the kinetic energy of the particle will be:
[2008]
(a) $3 $ $T$
(b) $2 $ $T$
(c) $T$
(d) $4 $ $T$
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Answer:
Correct Answer: 4.(c)
Solution:
- (c) When a charged particle enters a transverse magnetic field it traverse a circular path. Its kinetic energy remains constant.
BETA
