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An uncharged metal sphere is placed between two charged plates as shown. The lines of force look like

1. A
2. B
3. C
4. D

Correct answer: C

Solution

When an uncharged conducting sphere is placed in an external electric field, charges redistribute on its surface. The field inside the conductor becomes zero, so the electric field lines distort around it and remain perpendicular to the surface. The correct diagram is the one showing this behavior.

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