Sat July 16, 2011 By:
Why wood or plastic is a  bad conductor of electricity because in the wood and plastic there are also ATOMS and having electrons too ? So why the electron of it do not flows like in the  matels ? 

WHY wood or plastic is a bad conductor of electricity ?

Expert Reply
Mon July 18, 2011
Wood and plastic are bad conductors of electricity because electrons in them are bound to their respective 'parent' atoms and are not free to move. Therefore, wood or plastic does not possess freely movable charges; hence they cannot conduct electricirty.
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