| ASSERTION: The kinetic energy of a charged particle moving in a uniform magnetic field does not change. |
| REASON: In a uniform magnetic field no force acts on the charge particle. |
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true and reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: C
Solution :
When a charged particle is moving in a uniform magnetic field, it experience a force in a direction perpendicular to its direction of motion. Due to which the speed of the charged particle remains unchanged and hence its kinetic energy remains same.
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