Magnetics — JEE Main 2002 · Annual, Paper 1 · Q7664 · Alror
Magnetics
JEE Main 2002 · Annual, Paper 1 · Q7664
PhysicsMedium116×since 2002Q7664
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 the ratio of the magnetic fields BA and BB, produced by them will be