NEET Physics Capacitors Grouping of Capacitors Energy Stored in a Capacitor and Van de Graff generator Online Test Set A

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Question 1

Question

Two vertical metallic plates carrying equal and opposite charges are kept parallel to each other like a parallel plate capacitor. A small spherical metallic ball is suspended by a long insulated thread such that it hangs freely in the centre of the two metallic plates. The ball, which is uncharged, is taken slowly towards the positively charged plate and is made to touch that plate. Then the ball will

Answer

come back to its original position and will remain there

oscillate between the two plates without touch them

stick to the positively charged plate

oscillate between the two plates touching each plate in turn