railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Alternator and Synchronous Motors
At a unity power factor load, the armature current of an alternator ____________
1
lags the terminal voltage per phase by 90 degrees
2
leads the terminal voltage per phase by 90 degrees
3
is in phase with the terminal voltage per phase
4
lags the terminal voltage per phase by 120 degrees