Distinguish between conductors and insulators of electricity.
DISTINCTIONS BETWEEN CONDUCTORS AND INSULATORS OF ELECTRICITY:
CONDUCTORS | INSULATORS |
(i) They allow the current electricity to flow through them. | Do not allow the current electricity to flow through them. |
(ii) They have a large number of free electrons. | They have a small number of free electrons. |
(iii) All metals like Ag, Cu, iron, gold, wet wood etc. | Cotton, dry wood, rubber, glass distilled water etc. |
(iv) Conductors cannot be charged by rubbing. | Can be charged by rubbing. |