A current of 1/4pie amp is flowing in a long straight conductor. The l – InterviewSolution

1.

A current of 1/4pie amp is flowing in a long straight conductor. The line integral of magnetic inductionaround a closed path enclosing the current carrying conductor is) 10-7 webre/metre2) 411x10-7 webre/metre3) 1672x10-7 webre/metre4) zero

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EXPLANATION:

∮B⋅dl=μ0I

=4π×10−7×4π1

=10−7Wbm−1

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