State whether given statement is True or False
Iron is a better conductor of heat than copper

Explain conductors and insulators with examples.

Alcohol and ether are conducting liquids of electricity. 

Which of the following is the best conductor of electricity ?

Glass wool is a __________conductor of electricity.

A conductor has a large number of free electrons.

The conductor of electricity is 

Distilled water is

Which of the following are conductors and which are insulators ?
Sulphur , Silver , Copper , Cotton , Aluminium , Air , Nichrome , Graphite , Paper , Porcelain , Mercury, Mica , Bakelite , Polythene , Manganin.

Ebonite is a good conductor of electricity.