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Grade:
        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?
8 years ago

Answers : (1)

SAGAR SINGH - IIT DELHI
879 Points
							

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.
8 years ago
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