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A current of 1/(4) ampere is flowing in a long straight conductor. The line integral of magnetic induction around a closed path enclosing the current carrying conductor is
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Correct option is A
∮B→.dl→=μ0Ienclosed=4π×10−7×14πSimilar Questions
A coaxial cable consists of a thin inner conductor fixed along the axis of a hollow outer conductor. The two conductors carry equal currents in opposite directions. Let B1 and B2 be the magnetic fields in the region between the conductors, and outside the conductor, respectively. Then
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