Hlen1557 Hlen1557

24-11-2022
Biology

contestada

a rectangular coil of n turns and of length a and width b is rotated at frequency f in a uniform magnetic field ~ b, as indicated in the figure. the coil is connected to co-rotating cylinders, against which metal brushes slide to make contact. (a) show that the emf induced in the coil is given (as a function of time t) by

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