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2. How can you say that a material is a good conductor of heat and
electricity? Give some characteristics of a good conductor of heat
and electricity.​


Sagot :

Answer:

Metals are good conductors (both of heat and electricity) because at least one electron per atom is free: i.e., it is not tied to any particular atom, but is, instead, able to move freely throughout the metal.

Characteristics

Low resistivity/ / high conductivity. Low temperature coefficient of resistivity. Good thermal conductivity.