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Physics · PYQ NEET UG 2019(1)

हिन्दी

In which of the following devices, the eddy current effect is not used?

  1. electromagnet
  2. electric heater
  3. induction furnace
  4. magnetic braking in train

Correct answer · Option 2

electric heater

Explanation

Electric heater works on Joule heating effect of electric current, not on eddy currents. Induction furnaces, magnetic brakes, and electromagnets utilize eddy currents.
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