Physics · Magnetic Effects of Current
Two infinitely long straight current-carrying conductors are held at right angles to each other along the positive x and y axes such that their common ends meet at the origin. If both conductors carry an equal current I, what is the magnitude of the net magnetic field at a point P(x, y) in the first quadrant?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1μ0Ixy4π [√(x2 + y2) + (x + y)]
- 2μ0Ixy4π [√(x2 + y2) - (x + y)]
- 3μ0I4πxy [√(x2 + y2) - (x + y)]✓
- 4μ0I4πxy [√(x2 + y2) + (x + y)]
Correct answer
μ0I4πxy [√(x2 + y2) - (x + y)]
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