Electrical Machines The constant losses in transformer is/are eddy current loss. copper loss. both 2 and 3. hysteresis loss. eddy current loss. copper loss. both 2 and 3. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of a DC machine is laminated to minimise temperature rise hysteresis loss mechanical loss eddy-current loss temperature rise hysteresis loss mechanical loss eddy-current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors normally use cast aluminium rotor because aluminium is of low resistivity. cheaper in cost. lighter in weight. easy to cast owing to its low melting point and is easily available. of low resistivity. cheaper in cost. lighter in weight. easy to cast owing to its low melting point and is easily available. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the armature of DC motor is directly proportional to None of above. The speed of motor. The torque required. The voltage across the terminals. None of above. The speed of motor. The torque required. The voltage across the terminals. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is minimized by laminating the core of a transformer? Hysteresis loss. Eddy current loss. Stray loss. Copper loss. Hysteresis loss. Eddy current loss. Stray loss. Copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5 Ω and back emf of 200 V is 400 A. 44 A. 40 A. 440 A. 400 A. 44 A. 40 A. 440 A. ANSWER DOWNLOAD EXAMIANS APP
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