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Doctors Medicines MCQs Q&A

  1. Three heat switch
  2. Electric iron
  3. Electric oven heating
  4. Electric radiator
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Option 4 : Electric radiator

Electric radiator water heater:

  • It is used to convert the electrical energy into heat through the heating element to raise the temperature of the water to a particular degree.
  • The heating element inside every electric heater is an electrical resistor and works on the principle of the Joule effect of heating.
  • In this type of water heater, heat transfer takes place through the convection process.
  • The heat rays from an element are brought up to red heat by the passage of an electric current through the air which raises the temperature of any solid substance in the surroundings falling in its range.
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