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posted by  ItxguyI on 7/24/2008 9:34:06 PM  |  status: Live  

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Course Textbook Chapter Problem
General Physics N/A N/A N/A
Question Details:
A 1.6 m wire is wound into a coil with a radius of 3.77 cm. If this coil is rotated at 115 rpm in a 0.070 T magnetic field, what is its maximum emf?
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posted by dhara on 7/24/2008 11:43:03 PM  |  status: Live
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Response Details:
The maximum emf is
E = NBAwsinwt
The emf is maximum when wt = 90o
or E = NBAw
Here,N = 1,B = 0.070 T,A = πr2 and r = 3.77 * 10-2 m and w = 115 * (1/60) = 1.92 rps.
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