A、number of turns of wire in the armature coil
B、number of magnetic poles
C、strength of the magnets used
D、output voltage
更多“The frequency of an alternator at a given RPM is determined by the （）.”相关的问题
A、relative speed of the rotor poles B、number of turns of wire in the armature coil C、strength of the magnets used D、output voltage
A、relative speed of the rotor poles B、number of turns of wire in the armature coil C、strength of the magnets used D、output voltage
A、number of turns of wire in the armature coil B、number of magnetic poles C、strength of the magnets used D、output voltage
A、number of turns of wire in the armature coil B、number of magnetic poles C、strength of the magnets used D、output voltage
A、slightly less than the line frequency B、the same as the line frequency C、slightly greater than the line frequency D、All of the above
A、increase the field excitation B、decrease the field excitation C、increase the number of magnetic poles D、increase the speed of the prime mover
A、higher than the bus frequency B、lower than the bus frequency C、the same as the bus frequency but out of phase with it D、the same as the bus frequency and the circuit breaker may be closed at any pointer position
客服
TOP
查看正确答案
