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Grade upto college level IIT JEE Entrance Exam

Two long parallel wires P and Q are both perpendicular to the plane of the paper with distance of 5 m between them. If P and Q carry currents of 2.5 amp and 5 amp respectively in the same direction, then the magnetic field at a point half-way between the wires is


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Profile image of Amit Saxena
12 Years agoGrade upto college level
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1 Answer

Profile image of Kevin Nash
12 Years ago

(d)

When the current flows in both wires in the same direction then magnetic field at half way due to the wire P,

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