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Grade: 12
Explain the conductance of solids based on energy bands. 
one year ago

Answers : (1)

23357 Points
Based on the ability of various materials to conduct current, the materials are classified as conductors, 
insulators and the semiconductors.
A metal which is very good carrier of electricity is called conductor. The copper and aluminium 
are good examples of a conductor
A very poor conductor of electricity is termed as insulator. The glass, wood, mica, diamond are the 
examples of an insulator.
A metal having conductivity which is between conductor and an insulator is 
called semiconductor. The silicon and germanium are the examples of a 
semiconductor. This does not conduct current at low temperatures but as temperature increases 
these materials behave as good conductors..
one year ago
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