Skip to content

What will you observe when the metal top of an electroscope is touched with a plastic comb rubbed in dry hair? Give the reason for your answer.

ScienceClass 8ICSEAnswered 28 Mar 2026
Answer

After rubbing the plastic comb, it acquires a negative charge. When it is touched with the metal cap of an electroscope, both the metal cap and the leaves acquire negative charge due to conduction.

Science · Class 8