A) \[\frac{\sqrt{3}{{\mu }_{0}}}{2\pi }\]
B) \[\frac{{{\mu }_{0}}}{\pi }\]
C) \[\frac{3{{\mu }_{0}}}{2\pi }\]
D) \[\frac{{{\mu }_{0}}}{2\pi }\]
Correct Answer: D
Solution :
Magnetic field at mid-point\[O\], \[\overset{\to }{\mathop{\mathbf{B}}}\,=\overset{\to }{\mathop{{{\mathbf{B}}_{1}}}}\,+\overset{^{\to }}{\mathop{{{\mathbf{B}}_{2}}}}\,\] \[=\frac{{{\mu }_{0}}}{2\pi }\frac{{{I}_{1}}}{r}-\frac{{{\mu }_{0}}}{2\pi }\frac{{{I}_{2}}}{r}\] \[=\frac{{{\mu }_{0}}}{2\pi }\frac{(2.5-5)}{2.5}\] \[=\frac{{{\mu }_{0}}}{2\pi }\]You need to login to perform this action.
You will be redirected in
3 sec