What will happen to the leaves of electroscope if positively charged body is brought near (a) uncharged electroscope (b) positively charged electroscope (c) negatively charged electroscope ?
How will you use a pith ball electroscope to find out whether the charge on a charged body is positive or negative?
Question 22
In an electroscope, if negatively charged body is brought in contact with the metal clip, the strips of the electroscope diverge. If now another charged object carrying equal amount of positive charge is brought in contact with the clip, what will happen?
What will you observe when the metal top of an electroscope is touched with:
(a) a positively charged object?
(b) a negatively charged object?