Because ........................ I DON'T KNOW?
Copper - best conductor Glass - moderate insulator Rubber - good insulator
Rubber is an insulator for normal voltages.
A rubber band is an insulator as it does not allow electrons to pss through it
Some are wood, rubber, glass, ceramics and plastics.
the best insulator is plastic. a better insulator is rubber which is used for wires and other electrical lines
Rubber boots, or rubber soles on boots, is an insulator
It is an insulator.
it depends what type of insulator youre talking about. wood is a good thermal insulator and rubber is a good electrical insulator A perfect vacuum is the best insulator.
Insulator, you will not get shocked wearing rubber gloves.
Plastic, rubber, glass, air...
Polystyrene is a better insulator than rubber. This is because polystyrene has a lower thermal conductivity, meaning it is better at reducing heat transfer compared to rubber. Additionally, polystyrene is often used in applications where higher levels of insulation are required.
An example of a good insulator of electricity would be rubber. An insulator is anything that does not conduct electricity and as such offers protection from direct electric current.