•11 A rectangular coil of N turns and of length a and widthb is rotated at frequency f in a uniform magnetic field B, asindicated in Fig. 30-42. The coil is connected to co-rotatingcylinders, against which metal brushes slide to make contact.(a) Show that the emf induced in the coil is given (as a functionof time t) by8 = 2mfNabB sin(2mft) = Eg sin(2ft).This is the principle of the commercial alternating-currentgenerator. (b) What value of Nab gives an emf with E150 V when the loop is rotated at 60.0 rev/s in a uniform mag-%3D!3Dnetic field of 0.500 T?Sliding contactsXX X X x XaFig. 30-42 Problem 11.

Answered: Image /qna-images/answer/fb0373e8-b1d2-4a6b-9b3e-3edac57034a7.jpg

b is rotated at frequency f in a uniform magnetic field B, as indicated in Fig. 30-42. 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 8 = 27fNabB sin(27fi) = E, sin(2#ft). %3D This is the principle of the commercial alternating-current generator. (b) What value of Nab gives an emf with Eo 150 V when the loop is rotated at 60.0 rev/s in a uniform mag- netic field of 0.500 T? Sliding contacts B R ww

b is rotated at frequency f in a uniform magnetic field B, as indicated in Fig. 30-42. 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 8 = 27fNabB sin(27fi) = E, sin(2#ft). %3D This is the principle of the commercial alternating-current generator. (b) What value of Nab gives an emf with Eo 150 V when the loop is rotated at 60.0 rev/s in a uniform mag- netic field of 0.500 T? Sliding contacts B R ww

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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