Two concentric circular coils, 
and 
are placed in the 
plane. 
has 
turns, and a radius of 
has 
. 
turns and radius of 
. 
carries a time dependent current 
A where 
is in 
. The emf induced in 
(in 
), at the instant 
is 
. The value of 
is
Text Solution
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(5)
At 
volt 
volt
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