Electrical Machines For an ideal transformer the winding should have minimum resistance on primary side and maximum resistance on secondary side maximum resistance on primary side and least resistance on secondary side equal resistance on primary and secondary side no ohmic resistance on either side minimum resistance on primary side and maximum resistance on secondary side maximum resistance on primary side and least resistance on secondary side equal resistance on primary and secondary side no ohmic resistance on either side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, which of these parameters remain the same whether it runs as a DC motor or a DC generator? Armature current. Mechanical power. Can not be determined. Induced emf. Armature current. Mechanical power. Can not be determined. Induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Motor 3 point starter is used to limit the starting current to a safer value. provide protection against Low-Voltage. all of above. provide overload protection. limit the starting current to a safer value. provide protection against Low-Voltage. all of above. provide overload protection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor may be unbalanced due to poor lubrication. overload. overheating of winding. uneven air gap. poor lubrication. overload. overheating of winding. uneven air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of a dc motor is given by EbIa. EbIa2. none of these. EIa. EbIa. EbIa2. none of these. EIa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotives which of the following motor are used ? DC series motor. Synchronous motor. DC compound motor. DC Shunt motor. DC series motor. Synchronous motor. DC compound motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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