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Chapter 28, Problem 057 A circular coil of 169 turns has a radius of 2.26 cm. (a) Calculate the current that results in a magnetic dipole moment of magnitude 1.91 Am. (b) Find the maximum magnitude of the torque that the coil, carrying this current, can experience in a uniform 28.5 mT magnetic field. (a) Number (b) Number Units Units

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