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Same current i is flowing in three infin...

Same current i is flowing in three infinitely long wires along positive x,y and z directions. The magnetic field at a point would be

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B due to conductor along z-axis = 0
B due to conductor along y axis `vecB_(y)=(mu_(0))/(2pi)l/a(-hati)`
B due to conductor along x-axis `vecB_(x)=(mu_(0))/(2pi)I/a(hatj)`
`(vecB("net"))_(P)=vecB_(x)+vecB_(y)+vecB_(z)`
`=(mu_(0))/(2pi)I/a(-hati+hatj)`
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-III
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