Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be zero. about 2 V. 220 V. about 50 V. zero. about 2 V. 220 V. about 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On what factors the speed of dc motor depends? Applied voltage. Field flux. Armature current Ia. All of these. Applied voltage. Field flux. Armature current Ia. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 4. 8. 32. 16. 4. 8. 32. 16. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature MMF waveform of a DC machine is rectangular. pulsating. triangular. sinusoidal. rectangular. pulsating. triangular. sinusoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam can never be equal to pole pitch. none of above. must be exactly equal to people pitch. may or may not be exactly equal to people pitch. can never be equal to pole pitch. none of above. must be exactly equal to people pitch. may or may not be exactly equal to people pitch. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the phase difference between two windings of A.C servomotor ? 30°. 120°. 90°. 60°. 30°. 120°. 90°. 60°. ANSWER DOWNLOAD EXAMIANS APP