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In this lesson, we will learn how to use the Biot–Savart law to calculate the magnetic field produced by a current-carrying loop of wire.
There is a 10 amp current through a square loop for which each side is 20 cm in length.
At each corner of the loop is a 0.010-cm segment that connects the longer wires as shown.
Calculate the magnitude of the magnetic field at the centre of the loop.
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