Questions
Which of the following is not an application of eddy currents
a
Induction furnace
b
Galvanometer damping
c
Speedometer of automobiles
d
X-ray crystallography
detailed solution
Correct option is D
Eddy currents are utilized include use in energy meters, automobile speedometers, induction alternating current (AC) motors, free-fall devices, as a way of detecting coins in vending machines, to increase temperatures uniformly in induction furnaces, and in proximity/displacement sensors.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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