The back emf of dc motor depends on
The back emf of dc motor depends on
DC Motor MCQs
Which of the following dc motor has approximately constant speed?
Which of the following dc motor has approximately constant speed?
Which of the following dc motor has approximately constant speed? Read More »
If 220 V dc series motor is connected to a 220 V ac supply, then at will
If 220 V dc series motor is connected to a 220 V ac supply, then at will
If 220 V dc series motor is connected to a 220 V ac supply, then at will Read More »
A dc motor is preferred to an ac motor for the application in
A dc motor is preferred to an ac motor for the application in
A dc motor is preferred to an ac motor for the application in Read More »
The highest speed attained by a dc shunt motor at rated flux is
The highest speed attained by a dc shunt motor at rated flux is
The highest speed attained by a dc shunt motor at rated flux is Read More »
When load is removed, which of the following dc motors will run at excessively high speed?
When load is removed, which of the following dc motors will run at excessively high speed?
A large series motor is never started without some load on it, otherwise
A large series motor is never started without some load on it, otherwise
A large series motor is never started without some load on it, otherwise Read More »
The value of diverter resistance for a series dc motor is of the order of
The value of diverter resistance for a series dc motor is of the order of
The value of diverter resistance for a series dc motor is of the order of Read More »