sluggish operation

a reduction in output voltage

an increase in input current

all the above factors

Gas tube diode

Silicon diode

Copper oxide rectifier

All the above stated

Charging voltage of the battery

Charging current of the battery

Charging power of the battery

Charging energy of the battery

Electric traction motor

Electric home appliances

Machine shop motors

illumination

squirrel cage induction motor

wound rotor induction motor

AC commutator motor

synchronous motor