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When a charged particle moves in a magne...

When a charged particle moves in a magnetic field its kinetic energy _______ .

A

remains constant

B

can increase

C

can decrease

D

can increase or decrease

Text Solution

Verified by Experts

The correct Answer is:
A
When charged particle moves in uniform magnetic field, its path is circular and in circular path its speed remains constant. Hence, its kinetic energy remains constant according to `1/2mv^(2)`.
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KUMAR PRAKASHAN-MOVING CHARGES AND MAGNETISM-SECTION D (MULTIPLE CHOICE QUESTIONS)
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  16. An extremely long straight wire, with radius of cross-section a, carri...

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