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Part A What is the strength of the magnetic field at point P in the figure? Assume that I = 4.4 A, r1 = 1.2 cm, and r2 = 2.4 cm. | Homework.Study.com
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![SOLVED: The magnitude of the magnetic field at point P; at the center of the semicircle shown, is given by: R P poi/R poi/2R poi/4R poi/4TR 2p0i / R SOLVED: The magnitude of the magnetic field at point P; at the center of the semicircle shown, is given by: R P poi/R poi/2R poi/4R poi/4TR 2p0i / R](https://cdn.numerade.com/ask_images/545e7c796ef54d49b8e017ff65c598ef.jpg)