It depends on what it's made of. A metal is a conductor and a nonmetal is an insulator.
Brass will conduct both electricity and heat. So brass is a conductor, but not an insulator.
Glass in a molten state is a conductor of electricity. When glass turns to a solid state it becomes an insulator.Basically, glass in a window or a test tube would be the solid state and so it is a insulator of electricity.
Insulator.
Glass in its solid state is an insulator of electricity.
insulator.
It is an insulator
conductor
insulator
conductor!!!!! ;))
Its a insulator
yes
it is a conductor