Question
Two vertical metallic plates carrying equal and opposite charges are parallel to each other. A small spherical metallic ball is suspended by a long insulating 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 the plate. Then ball will - stick to the positively charged plate.
- come back to the original position and will remain there.
- oscillate between the two plates touching each plate in turn.
- oscillate between the plates without touching them.
Solution
D.
oscillate between the plates without touching them.
