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Question: Answered & Verified by Expert

There are two infinitely long straight current-carrying conductors and they are held at right angles to each other so that their common ends meet at the origin as shown in the figure given below. The ratio of current in both conductors is 1:1. The magnetic field at point P is_________.

PhysicsElectromagnetic WavesJEE MainJEE Main 2021 (01 Sep Shift 2)
Options:
  • A μ0I4πxyx2+y2-(x+y)
  • B μ0Ixy4πx2+y2-(x+y)
  • C μ0I4πxyx2+y2+(x+y)
  • D μ0Ixy4πx2+y2+(x+y)
Solution:
1008 Upvotes Verified Answer
The correct answer is: μ0I4πxyx2+y2+(x+y)

B=μ0I4πy1+sinθ1+μ0I4πx1+sinθ2
B=μ0I4πy1+xx2+y2+μ0I4πx1+yx2+y2

B=μ0I4πx+μ0I4πy+μ0I4πxyx2+y2+yxx2+y2B=μ0I4π1x+1y+μ0I4πx2+y2xy=μ0I4πx+y+x2+y2xy

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