We can employ dummy coils in a DC machine to  

Related MCQs

• We can employ dummy coils in a DC machine to                    
• For an electrical machine with C number of coils and P poles, the distance between the coils connected by an equalizer ring is?
• A 200V dc machine has 4 poles and 40 coils, having simplex lap winding. The number of commutator segments which required in the given machine will be?
• A 6-pole lap wound DC generator has a developed power of P watts and brush voltage of E volts. Three adjacent brushes of the machine had been found worn out and got open circuited. If the machine is operated with the remaining brushes, voltage and power that could be obtained from the machine are                    
• What type of coils are used for winding the single phase induction motor generally?
• For a dc machine, its commutator has a diameter of 50 c rotating at 1000 rpm. For a brush width of 1 cm, the time commutation taken by the machine will be  
• For a dc machine, its commutator has a diameter of 50 c rotating at 1000 rpm. For a brush width of 1 cm, the time commutation taken by the machine will be                    
• While doing regular checks on the dc machine with the lap connected winding, it is reported to have ammeter fluctuations, this can be due to  
• While doing regular checks on the dc machine with the lap connected winding, it is reported to have ammeter fluctuations, this can be due to                    
• voltage of a dc machine is a   function of its magneto-motive force.