78. * A student in a physics lab investigates the opera- tion of an AC generator. She collects data on the emf of the generator as a function of time (Figure 25-76). The generator consists of a 200-turn coil that is spun in a strong magnetic field. The coil has a cross-sectional area of 25.0 cm². (a) Determine the frequency, f (Hz), of the generated current. (b) Determine the frequency, f (Hz), and the angular frequency, w (rad/s), of the rotation of the coil. (c) Find the magnitude of the magnetic field. (ALI) 3 10.0 0.0 -10.0 DAAN t(s)
78. * A student in a physics lab investigates the opera- tion of an AC generator. She collects data on the emf of the generator as a function of time (Figure 25-76). The generator consists of a 200-turn coil that is spun in a strong magnetic field. The coil has a cross-sectional area of 25.0 cm². (a) Determine the frequency, f (Hz), of the generated current. (b) Determine the frequency, f (Hz), and the angular frequency, w (rad/s), of the rotation of the coil. (c) Find the magnitude of the magnetic field. (ALI) 3 10.0 0.0 -10.0 DAAN t(s)
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter31: Faraday’s Law
Section: Chapter Questions
Problem 31.1OQ: Figure OQS1.I is a graph of the magnetic flux through a certain coil of wire as a function of time...
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