Assertion: The kinetic energy does not change when a particle is moving in a uniform magnetic field. Reason : The velocity of the particle is not affected by magnetic field.

Options

1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
3. CIf assertion is true but reason is false.
4. DIf both assertion and reason are false.