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Current Loop Is a Magnet?

Question

A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment $μ$ is given by

A

q v R

B

q v \frac{R}{2}

C

q v R^{2}

D

q v \frac{R^{2}}{2}

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Solution

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The current in circular path due to movement in circle is given by

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