Please select the most correct answer from the list provided below.

What determines when a synchronous motor is at normal excitation?

Question

Please select the most correct answer from the list provided below. 
   
 What determines when a synchronous motor is at normal excitation?

Accepted Answer

The power factor is at unity or 100%

Answer

The power factor is at unity or 0%

Answer

the rotor current is at its lowest value while still maintaining synchronism

Answer

The current draw of the motor stator is at its lowest value on the ammeter

Answer

the induced counter-emf is at its highest point in the rotor windings

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