Two points A and B lie on the two sides of a long, straight wire carrying a current I in the direction indicated in figu
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Two points A and B lie on the two sides of a long, straight wire carrying a current I in the direction indicated in figu
Two points A and B lie on the two sides of a long, straight wire carrying a current I in the direction indicated in figure below. B 4 cm 2 cm A a. Calculate the magnetic field (magnitude and direction) at point A. b. Calculate the magnetic field (magnitude and direction) at point B. c. Find the change in magnetic field between points A and B.
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