Q.

Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : In an uniform magnetic field, speed and energy remains the same for a moving charged particle.

Reason (R) : Moving charged particle experiences magnetic force perpendicular to its direction of motion.

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a

(A) is false but (R) is true.

b

(A) is true but (R) is false

c

Both (A) and (R) are true and (R) is the correct explanation of (A)

d

Both (A) and (R) are true but (R) is NOT the correct explanation of (A)

answer is A.

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