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Q.

Is this true that metals are good conductors of electricity but poor conductors of heat?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is false.
A significant number of free valence electrons that conduct electricity and heat make metals excellent conductors of both. Metals work well as conductors because they are composed of a lattice of atoms with free electrons. The unbound electrons allow for the passage of a current. When a negative charge is applied to one end, the electrons move away from the additional charge and in the opposite direction.
The correct statement would be, Metals are good conductors of heat and electricity.
 
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