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Sketch the magnetic field lines in xy pl...

Sketch the magnetic field lines in xy plane for a pair of long parallel wires laid along z direction if-
(a) Both wires carry current in same direction.
(b) Both wire carry current in opposite directions.

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The correct Answer is:
`(##IJA_PHY_V02_C10_E01_001_A01##)`
`(##IJA_PHY_V02_C10_E01_001_A02##)`
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