The correct answer is (A) 1.2 µT, vertically upward. Using the Biot-Savart law, the magnetic field at a distance of 2.5 m from a current of 15 A is B = μ0l/2πr. The direction, by the right-hand rule, is vertically ...
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The correct answer is (A) 1.2 µT, vertically upward. Using the Biot-Savart law, the magnetic field at a distance of 2.5 m from a current of 15 A is B = μ0l/2πr. The direction, by the right-hand rule, is vertically ...