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