Two mutually perpendicular conductors carrying currents i1 and i2 lie in one plane. Locus of the point at which the magnetic induction is zero is a:
Circle with centres as the point of intersection of the conductors.
Parabola with vertex as the point of intersection of the conductors.
Straight line passing through the point of intersection of the conductors.
Rectangular hyperbola
At Point P, i1 and i2 are the same, but the direction is opposite. So, we get Bnet at P as zero.
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