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An alpha particle of positive charge +2e...

An alpha particle of positive charge +2e is compelled to rotate along a circular path of radius r in a cyclotron with linear speed v. The magnetic moment of the closed loop is

A

zero

B

(1/2) evr

C

evr

D

2 evr

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The correct Answer is:
C
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TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-CRITICAL THINKING
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