Electrical Machines The output power of a dc motor is given by EbIa. EbIa2. EIa. none of these. EbIa. EbIa2. EIa. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under the interpole. pole core. under trailing pole tip. under leading pole tip. under the interpole. pole core. under trailing pole tip. under leading pole tip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor when the length of the air gap is increased, the magnetizing current of the motor increases while the short circuit current __________________. decreased. remains unchanged. increased. kept constant to certain value. decreased. remains unchanged. increased. kept constant to certain value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a standard frequency the machine operates at a particular speed known as normal speed. slip speed. any of the above. synchronous speed. normal speed. slip speed. any of the above. synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Example of double excited machine is Synchronous motor. None of these Both are correct. DC Shunt Motor Synchronous motor. None of these Both are correct. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to suppress the hunting. increase the load current. decrease the load current. both 1 and 2. suppress the hunting. increase the load current. decrease the load current. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
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