Two thin long wires carry currents I1 and I2 along x-axis and y-axis, respectively, as shown in the given figure. Which one of the following statements is correct?
AMagnetic field is zero at least at one point in each quadrant.
BMagnetic field can be zero somewhere in the first quadrant.
CMagnetic field can be zero somewhere in the second quadrant.
DMagnetic field is non-zero at all points in the third quadrant.