Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as f V f² V² f V f² V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: pole core. under leading pole tip. under the interpole. under trailing pole tip. pole core. under leading pole tip. under the interpole. under trailing pole tip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 35°C. 32°C. 45°C. 27°C. 35°C. 32°C. 45°C. 27°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dummy coils are used for increasing efficiency. reducing armature reaction. mechanical balancing. All of these increasing efficiency. reducing armature reaction. mechanical balancing. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the phase difference between two windings of A.C servomotor ? 30°. 60°. 90°. 120°. 30°. 60°. 90°. 120°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on core loss component. rotor speed. synchronous speed. shaft torque. core loss component. rotor speed. synchronous speed. shaft torque. ANSWER DOWNLOAD EXAMIANS APP
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