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All India Engineering / Architecture Entrance Examination (AIEEE) CBSE Guess > AIEEE > AIEEE Papers > 2010 > Physics AIEEE 2010 Physics Q. 8. Two long parallel wires are at a distance 2d apart. They carry steady equal currents flowing out of the plane of the paper as shown. The variation of the magnetic field B along the line XX’ is given by Sol: As the direction and magnitude of current is same in both the wires Answer : (1)
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