Magnetic Effects Of Current Question 336
Question: When a charged particle enters a uniform magnetic field its kinetic energy [MP PMT 2001; MP PET 2002]
Options:
A) Remains constant
B) Increases
C) Decreases
D) Becomes zero
Show Answer
Answer:
Correct Answer: A
Solution:
Since $ \overrightarrow{F} $ and $ \overrightarrow{v,} $ are perpendicular to each other work done by force is zero. Hence K.E. is constant.
BETA
