Questions
Eddy currents are used in
a
Induction furnace
b
Electromagnetic brakes
c
Speedometers
d
All of these
detailed solution
Correct option is D
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.Talk to our academic expert!
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A metallic ring connected to a rod oscillates freely like a pendulum. If now a magnetic field is applied in horizontal direction so that the pendulum now swings through the field, the pendulum will
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