railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Alternator and Synchronous Motors Effect of Excitation on Armature Current and Power Factor
From inverted V curve of a synchronous motor following are correct
1
Under excited motor works at the leading power factor
2
Overexcited motor works at lagging power factor
3
Both 1 and 2
4
None of the above