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A wire is stretched between two poles and carries acurrent of 50 A. The height of the wire along theground is 10 m. Find the magnetic field at a point onthe ground vertically below the wire. |
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Answer» Explanation: CURRENT, I=50A Distance, r=2.5 m Magnetic field, B = μoI/2πr B=4.0×10^−6 T According to maxwell's right HAND, the direction of field is upward.
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