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प्रश्न
How are eddy currents produced ?
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उत्तर
When a conductor is placed in changing magnetic flux, the electrons present in it experience force and start moving in circular path of different radii. Theses circular motions of electrons produce currents in form of eddies.
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संबंधित प्रश्न
Describe briefly three main useful application of eddy currents ?
If the magnetic field outside a copper box is suddenly changed, what happens to the magnetic field inside the box? Such low-resistivity metals are used to form enclosures which shield objects inside them against varying magnetic fields.
Write two examples of their useful applications .
State applications of eddy currents.
How is Eddy current produced? How do they flow in a conductor?
Identify the wrong statement.
A constant retarding force of50 N is applied to a body of mass 20 kg moving initially with a speed of 15 ms-1. How long does the body take to stop?
Which one is not an application of eddy current?
