Heat is generated in the induction furnace by:

  1. Eddy current
  2. Self induction
  3. Mutual induction
  4. None of these

Answer (Detailed Solution Below)

Option 1 : Eddy current
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Detailed Solution

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CONCEPT:

Eddy current:

  • Eddy currents are loops of electrical current induced within conductors by a changing magnetic field in the conductor according to Faraday’s law of induction.

EXPLANATION:

  • Induction heating is the process of heating an electrically conducting object (usually a metal) by electromagnetic induction, through heat generated in the object by eddy currents.
  • So we can say that the heat is generated in the induction furnace by eddy current. Hence, option 1 is correct.

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