DC Motors The power mentioned on the name plate of an electric motor indicates 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 The output power available at the shaft ANSWER DOWNLOAD EXAMIANS APP
DC Motors At the instant of starting when a D.C. motor is put on supply, it behaves like A low resistance circuit A capacitive circuit None of these A highly resistive circuit A low resistance circuit A capacitive circuit None of these A highly resistive circuit ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current None of the listed here Increases Decreases Remains same None of the listed here Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
DC Motors The direction of rotation of a D.C. series motor can be changed by None of these Interchanging field terminals Interchanging supply terminals Either of (A) and (B) above None of these Interchanging field terminals Interchanging supply terminals Either of (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally Around 500 Ω 1000 Ω Infinitely large Low Around 500 Ω 1000 Ω Infinitely large Low ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Thermistor Thyratron Thyristor Transistor Thermistor Thyratron Thyristor Transistor ANSWER DOWNLOAD EXAMIANS APP