If in a circular coil A of radius R, current I is flowing and in another coil B of radius 2R a current 2I is flowing, then what will be the ratio...

If in a circular coil A of radius R, current I is flowing and in another coil B of radius 2R a current 2I is flowing, then what will be the ratio of the magnetic fields, BA and BB, produced by them? 

Anonymous User Physics Magnetic Effect of Current 16 Apr, 2020 57 views

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