Q.

A rod is rotating with a constant angular velocity ω about point O (its centre) in a magnetic field B as shown. Which of the following figure correctly shows the distribution of charge inside the rod?

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a

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b

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c

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d

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answer is A.

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Detailed Solution

From right hand rule, we can see that P and Q points are at higher potential than O.

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A rod is rotating with a constant angular velocity ω about point O (its centre) in a magnetic field B as shown. Which of the following figure correctly shows the distribution of charge inside the rod?