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Two very small identical circular loops ...

Two very small identical circular loops `(1) "and" (2)` carrying equal currents I are placed vertically (w.r.t. the plane of the paper) with their geometrical axes perpendicualr to each other as shown in figure. Find the magnitude and direction of the net magnetic field produced at point O.

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Find B and then net field `=sqrt(2)B`.
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