Two very long, straight, and insulated wires are kept at \[90{}^\circ \] angle from each other in xy-plane as shown in the figure. These wires carry currents of equal magnitude I, whose directions are shown in the figure. The net magnetic field at point P will be : [JEE Main 8-4-2019 Afternoon] |
A) Zero
B) \[\frac{+{{\mu }_{0}}I}{\pi d}(\hat{z})\]
C) \[-\frac{{{\mu }_{0}}I}{2\pi d}(\hat{x}+\hat{y})\]
D) \[\frac{{{\mu }_{0}}I}{2\pi d}(\hat{x}+\hat{y})\]
Correct Answer: A
Solution :
[a] |
Magnetic field at point P |
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