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प्रश्न
What determines the frequency of a.c. produced in a generator?
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उत्तर
The number of coil rotations, or alternating e.m.f., determines the frequency of the a.c. produced in the generator. Induced e.m.f. (e = e0 sin 2π nt) where n is the number of rotation made by coil per second and the current i = i0 sin 2π nt.
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