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CGP EDU Academic Team
Published on: August 21, 2026
An 
-particle enters into uniform magnetic field perpendicular to its direction, then
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When an 
-particle enters into a uniform magnetic field perpendicular to its direction, then it moves on circular path in magnetic field i.e., it performs uniform circular motion in magnetic field. In uniform circular motion of 
-particle, its momentum changes due to change in its velocity but kinetic energy remains unchanged because magnitude of velocity (i.e, speed) always remains constant.
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