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Magnetic Effects of Electric Current
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09/12/2020 11:43 am
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AB is a current-carrying conductor in the plane of the paper as shown in figure. What are the directions of magnetic fields produced by it at points P and Q? Given r1 > r2, where will the strength of the magnetic field be larger?
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09/12/2020 11:45 am
Apply right hand thumb rule, the direction of magnetic field produced by a current carrying conductor at
Point P - into the plane of paper
Point Q - out of the plane of paper.
As magnetic field is inversely proportional to distance, the field at Q will be larger than the field at P (r1 > r2).