A Generator Is Designed to Produce a Maximum Emf of 170

A generator is designed to produce a maximum emf of 170 V while rotating at 3200 rpm.The 1525 coils of the generator are circular with diameter 7.5 cm.Assuming the magnetic field in the generator is 0.075 T,what is the necessary magnetic field for the generator?

A) 0.0079 T
B) 0.30 T
C) 0.075 T
D) 0.24 T

Correct Answer:

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