Question: A 450-loop circular armature coil with a diameter of 8.0 cm rotates at120 rev/s in a uniform magnetic field of strength 0.55 T (a) What

A 450-loop circular armature coil with a diameter of 8.0 cm rotates at120 rev/s in a uniform magnetic field of strength 0.55 T
(a) What is the rms voltage output of the generator?
(b) What would you do to the rotation frequency in order to double the rms voltage output?

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