Option 1: Resistance
Option 2: Reactance
Option 3: MMF
Option 4: Constant voltage
Correct Option: 3
Explanation
MMF method treats armature reaction as magnetomotive force instead of reactance, improving accuracy over EMF method.
Option 1: Resistance
Option 2: Reactance
Option 3: MMF
Option 4: Constant voltage
Correct Option: 3
MMF method treats armature reaction as magnetomotive force instead of reactance, improving accuracy over EMF method.