DC Motors The back emf in a dc motor ______ None of the listed here Aids the armature current Opposes the applied voltage Aids the applied voltage None of the listed here Aids the armature current Opposes the applied voltage Aids the applied voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The output power available at the shaft The gross power The power drawn in kW The power drawn in kVA The output power available at the shaft The gross power The power drawn in kW The power drawn in kVA ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Provides fine speed control None of the listed here Is simple in construction Is cheap Provides fine speed control None of the listed here Is simple in construction Is cheap ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Commutator Slip rings Armature winding Field winding Commutator Slip rings Armature winding Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Thyristor Transistor Thyratron Thermistor Thyristor Transistor Thyratron Thermistor ANSWER DOWNLOAD EXAMIANS APP
DC Motors By putting controller resistance in series with the armature of a dc motor, we can obtain speeds Above the normal speed only Above as well as below the normal speed None of the listed here Below the normal speed only Above the normal speed only Above as well as below the normal speed None of the listed here Below the normal speed only ANSWER DOWNLOAD EXAMIANS APP
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