Identify the INCORRECT statement from the options given below.
1
Metals and their alloys have very large conductivity and are known as conductors.
2
Substances like glass, ceramics, etc., having very low conductivity are known as insulators.
3
Electrical conductance through metals is called metallic or electronic conductance and is due to the movement of electrons.
4
Certain materials called semiconductors by definition have zero resistivity or infinite conductivity.