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Question

Which is a better conductor - Aluminium or Copper?


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Solution

  • Metals are good conductors of electricity and this is by their virtue of free electrons.
  • The conductivity depends on two factors namely i.e., Number of free electrons and the drift velocity of electrons when an electric field is applied
  • Copper is a better conductor as compared to aluminum, aluminium is about 40% less conductive than copper.

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