If in a circular coil 
of radius 
, current 
is flowing and in another coil 
of radius 
a current 
is flowing, then the ratio of the magnetic fields 
and 
, produced by them at their centre will be
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(1) We know that the magnetic field produced by a current carrying circular coil of radius 
at its centre is 
Here 
and 
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