Q.

The force of 10N acts on a charged particle placed between two plates of a charged capacitor. If one plate of capacitor is removed, then the force acting on that particle will be

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a

5 N

b

10

c

20 N

d

Zero

answer is A.

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Detailed Solution

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E between two plates σε0 and due to one plate is σ2ε0 so the force will be halved so new force F = 5N

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