JAMB - Physics (2019 - No. 22)
Aluminium is sometimes used as the leaf of an electroscope because it
is a light material
is a good conductor
is a good insulator
can be converted into thin sheets
توضیح
- Aluminium can be made in thin sheet like Gold.
- the leaf is a thin material that can be diverged easily.
- the leaf is a thin material that can be diverged easily.