An alternator on open-circuit generates 360 V at 60 Hz when the field – McqOptions

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1.	An alternator on open-circuit generates 360 V at 60 Hz when the field current is 3.6 A. Neglecting saturation, determine the open-circuit EMF when the frequency is 40 Hz and the field current is 2.4 A.
A.	110 V
B.	140 V
C.	210 V
D.	160 V
Answer» E.

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