Two similar coils of radius R and number of turns N are lying concentrically with their planes at right angles to each other. The currents flowing in them are i and 
respectively. The resultant magnetic induction at the centre will be (in Wb/m 2 ).
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
See fig The magnetic induction at the center of a circular coil of 
turns, radius 
and carrying a current 
is given by
Here, 
and 
Now, 
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