First slide

Magnetic flux and induced emf

Question

Eddy currents are used in

Moderate

A

Induction furnace
B

Electromagnetic brakes
C

Speedometers
D

All of these

Solution

Eddy currents are useful in induction heating, levitating, electromagnetic damping, speedometers and electromagnetic braking. They can be minimized by adding slots in the conductor surface & laminating.

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