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Two infinite current carrying wires having current I in opposite directions are shown below. Find the magnetic field (in S.I. units) at point P.
7μ0l/π
10μ0l/π
5μ0l/π
μ0l/π
B = 2 × μ 0 i 2 π d = 2 × μ 0 I 2 π × 0.1 = 10 μ 0 I π
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