Q:
      
      
         
            
Materials that usually are good conductors of electricity?
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: A) Aluminium         
         
Explanation: Materials that usually allow electricity to pass through them are called Good conductors of electricity.
Conductors conduct electrical current very easily because of their free electrons.
Examples are :: Aluminium, Gold, Copper, Silver
 
Materials that do not allow or oppose electrical current & make poor conductors are called Insulators.
Examples are :: Glass, Plastic, Wood, Air,...
       
      
      
      
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