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is a straight wire having current 2I, and ABDE coplanar with PQ is the combination of wires and circular arc having current I. If BC is and C is at distance R from PQ, then magnetic field at C is
detailed solution
Correct option is D
for the part AB and DE magnetic field is zero as they are on the same line due to arc BD it is (112) th of a circle of radius R2 and for the straight conductior it is at a distance R. so total magnetic field is 112μ0I2R2 and μ02I2πR and both are outwardTalk to our academic expert!
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