Electromagnetic Induction - Result Question 18

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

(a) induction furnace

[2019]

(b) magnetic braking in train

(c) electromagnet

(d) electric heater

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Answer:

Correct Answer: 18. (d)

Solution:

  1. (d) An electric heater works on the principle of Joule’s heating effect and it does not involve Eddy currents.


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