If the input to the prime-mover of an alternator is kept constant but the excitation is increased, then
A. kVA will be lagging
B. kVA will be leading
C. kW will be changed
D. the power factor of the load remains constant
Answer:A
If the input to the prime-mover of an alternator is kept constant but the excitation is increased, then
A. kVA will be lagging B. kVA will be leading C. kW will be changed D. the power factor of the load remains constant