Two concentric coils each of radius equal to 
are placed at right angles to each other. If 3 A and 4 A are the currents flowing through the two coils, respectively. The magnetic induction (in 
) at the centre of the coils will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Given, 
Magnetic field at the center of a coil, 
Similarly, 
Now, net magnetic field at center of the coils,
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