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AMU Engineering 2018 solved paper Solved Paper
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© examsnet.com
Question : 36
Total: 150
A magnetic field cannot
change the velocity of a charged particle.
change the momentum of a charged particle.
change the kinetic energy of a charged particle.
change the trajectory of a charged particle.
Validate
Solution:
A magnetic field cannot change the kinetic energy of a charged particle, because charge particle moves on circular path in magnetic field, in which magnitude of velocity remains constant. Hence,
K
=
1
2
m
v
2
=
constant.
© examsnet.com
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