Magnetic field due to a current through a straight conductor
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Magnetic Field due to a Straight Current Carrying Conductor. ... The Magnetic field lines around a straight conductor carrying current are concentric circles whose centres lie on the wire. The direction of magnetic field lines can be determined using Right-Hand Thumb Rule.
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Answer:use the righthand rule
Explanation:
place your thumb as the current and your 4 fingers as the magnetic field, if the current flows upward then point your thumb upward and then you´ll figure out how the magnetic field moves and whether its into or out of the page at a certain point, i hope tht was the answer you wee looking for since no further explanation was given about your question :)
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