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Magnetic Field Due to a Circular Arc at the Centre

Choose the co...

Question

Choose the correct statement(s) related to the induced current in the ring

Current flows from

Q ⟶ P ⟶ O ⟶ R ⟶ Q

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Current flows from

Q ⟶ R ⟶ O ⟶ P ⟶ Q

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Current flows from

Q ⟶ P ⟶ O

and from

Q ⟶ R ⟶ O

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No current flows

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Solution

The correct option is C No current flows
The potential distribution across the rings is symmetric about OQ with increasing magnitude as one goes from O to Q across any path. There is no tendency for current to flow in a closed ring, since there is no specific direction of potential drop from point O.

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