explain any two a where Eddy currents are usefully employed
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OK So here are your two applications of Eddy currents -
1) Induction frame - Strong Eddy currents can produce intense heat, sufficient to melt metals. This is made use of in an induction furnance to make alloys of different metals in vacuum or to purify single-crystal bars of a semiconductor.
2)Electric brakes - When a conducting sheet is pushed into a magnetic field, or pulled out, very quickly, the interaction between the Eddy currents in the moving conductor and the field is such as to ret ard the motion. This property of Eddy currents is used as method of braking in two-wheelers. is
1) Induction frame - Strong Eddy currents can produce intense heat, sufficient to melt metals. This is made use of in an induction furnance to make alloys of different metals in vacuum or to purify single-crystal bars of a semiconductor.
2)Electric brakes - When a conducting sheet is pushed into a magnetic field, or pulled out, very quickly, the interaction between the Eddy currents in the moving conductor and the field is such as to ret ard the motion. This property of Eddy currents is used as method of braking in two-wheelers. is
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Eddy Currents. If a block of metal is moved in a magnetic field or kept in a changing magnetic field, the free electrons in the conductor experience force and begins to circulate. ... However, eddy currents can beusefully employed in many electrical devices.
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