Question

Question 9

Describe with the help of a diagram an instrument which can be used to detect a charged body.

Answer 1

An electroscope can be used to detect whether a body is charged or not. The following figure shows a simple electroscope.

In an Electroscope, two metal foils are are hanged with the help of a conductor in a glass jar with a lid. When a charged body touches this conductor, its charges get transferred to the metal foil and they move apart due to like charges. This shows that an electroscope detects charges.