Question

what is p ith-ball electroscope and the gold-leaf electroscope please define them

Answer 1

A pith ball electroscope consists of a small pith ball suspended with the help of a dry silk thread from an insulating stand. A gold leaf electroscope consists of a brass rod which passes through an insulator stopper or plug in a glass case.

Answer 2

Answer:

such a device can be used to test whether an is trying to change or not this device is known as electroscope