Two identical circular wires P and Q each of radius R and carrying current I are kept in perpendicular planes such that they have a common centre as shown in the figure. Find the magnitude and direction of the net magnetic field at the common centre of the two coils.
Bp is directed in the vertically upward direction while By is directed along the horizontal direction.
The net magnetic field is directed at an angle of 45° with either of the fields.
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