Two long, parallel wires AB and CD are apart and carry steady currents of and ,…
MATHEMATICS · Subjective · ISC · Physics · Magnetic Effects of Current and Magnetism · Ampere's circuital law
Problem
Two long, parallel wires AB and CD are 4.0cm apart and carry steady currents of 12A and 20A, respectively, in the same direction. Along the line joining the wires, find the point where the net magnetic field is zero. State the distance of this point from wire AB.