1. On the mechanical effect of electricity
  2. On the magnetic effect of electricity
  3. On the chemical effects of electricity
  4. On the thermal effects of electricity
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Option 4 : On the thermal effects of electricity

  • A fuse is a low resistance wire which works on the principle of the thermal effect of electricity.
  • As soon as the current exceeds a particular limit, the fuse wire melts and cuts-off the supply due to which excessive amount of current is prevented to enter the system.
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