What would you expect in the following cases?
(a) A plastic ruler is rubbed vigorously with a woollen cloth
(b) A glass rod rubbed with a piece of silk is bought. near a negatively chargedv paper cyclinder.
(c) A positively charged rod is moved slowly towards an uncharged paper cyclinder, which is suspended by a string, until the rod touches the cyclinder.
(d) A negatively charged body is brought in contact with the development sc of a positively charged electroscope.
(e) Someone touches the disc of a negatively charged electroscope
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( a) if the plastic ruler is rubbed vigorously with a woolen cloth then they get both positively and negatively charged
(b) if A glass rod is rubbed with a piece of silk is brought near a negatively charged paper cyclinder it attracts paper cylinder
(c) When a positively charged rod is moved slowly towards an uncharged paper cylinder, the cylinder will be attracted to it. Once the rod touches the cylinder, the cylinder will move away with a jerk.
(d)it will attract it as negatively charged body are attracted towards positively charged body
(e) When a negatively charged electroscope is touched, electrons leave the electroscope to the ground.
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