Teaching UP PGT Mock Test Series 2024 Physical Sciences Electromagnetic Theory Electromagnetic Waves
Three infinitely long wires, each carrying equal current are placed in the xy-plane along x = 0, +d and −d. On the xy-plane, the magnetic field vanishes at
1
\(x=\rm\pm\frac{d}{2}\)
2
\(x=\rm±d\left(1+\frac{1}{\sqrt{3}}\right)\)
3
\(x=\rm±d\left(1−\frac{1}{\sqrt{3}}\right)\)
4
\(x=\rm\pm \frac{d}{\sqrt{3}}\)