State the merits of eddy Current.
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★(i) These are used to stop the train by applying electric breaks.
★(ii) These are used in induction motor.
★(iii) These are used in induction furnace.
★(iv) The working of speedometer is based on these currents.
★(v) In hospitals, these currents are used for diathermy.
★(vi) The working of energy is based these currents.
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The Merits Of Eddy Current Are:-
- When test, the coil does not require contact with the workpiece, but also without the coupling medium, so the detection speed.
- The workpiece surface or near surface defects, high detection sensitivity, and in a certain range with good linearity indication, can be used for quality management and control.
- At high temperature, the workpiece narrow area, deep-hole wall (including the wall) for testing.
- Measure the thickness of the metal coating or non-metallic coating.
- Detect eddy currents can cause non-metallic materials, such as graphite.
Michael12:
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