Q. In which of the following devices, the eddy current effect is not used ?
A) induction furnace
B) magnetic braking in train
C) electromagnet
D) electric heater
Explanation
[Solution] An electric heater works on Joule heating of a resistive coil, not eddy currents. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.