Two striaght long conductors AOB and COD are pendicular to each other and carry currents `i_(1)` and `i_(2)` . The magnitude of the magnetic induction at a point P at a distance a from the point O in a direction perpendicular to the plane ACBD is

Options

A. `(mu_0 )/(2 pi a) ( I_1 +I_2)`
B. `(mu_0)/(2 pi a) (I_1 -I_2)`
C. `(mu_0)/(2 pi a) ( I_(1)^(2) +I_(2)^(2))^(1//2)`
D. `(mu_0)/(2 pi a) ((I_1I_2)/(I_1 +I_2))`

Answer

C