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				   two identical circular loops of metal wire are lying on a table without touching each other.loop A carries a current which inc with time.then loop B is repelled by loop A,why?
				   

4 years ago

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Dear student,


This is due to lenz's law



  • As the magnet approaches the loop, the applied B field in the centre increases. This is a change.


 



  • An Induced Field is created which attempts to negate the applied field - ie to keep the total field at zero - its original value.

4 years ago

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