Physics
Grade-9
Easy

Question

If you join two different metals together and then heat the junction, it produces electricity. This is called_____.

  1. Thermoelectric effect.
  2. Piezoelectric effect.
  3. Magnetomotive effect.
  4. Chemical action.

Hint:

The generation of electricity from joining two metals on heating is called the thermoelectric effect.

The correct answer is: Thermoelectric effect.


    If you join two different metals together and then heat the junction, it produces electricity. This is called thermo-electric effect.
    • The generation of electricity on joining and heating two metals is called the thermoelectric effect.
    • In the thermoelectric effect, electricity can be generated from heat and the heat can be converted into electricity again.
    •  It is also called the Peltier-Seebeck effect.

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