The maximum induced emf in a generator whose coils are rotating at 240 rpm is 35 V. If, instead, it is desired to generate a maximum emf of 45 V but with half the magnetic field, what rotation rate must be used?

A. 380 rpm
B. 190 rpm
C. 310 rpm
D. 165 rpm
E. 610 rpm


E. 610 rpm

Physics & Space Science

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