Electrical Machines Armature resistance control method is also called as-----------? constant voltage control constant power control constant torque control constant current control constant voltage control constant power control constant torque control constant current control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The effect of ------------------ on main field flux is armature reaction? armature flux armature current armature mmf All of these armature flux armature current armature mmf All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to 1/Ia. Ia. Ia2. √Ia. 1/Ia. Ia. Ia2. √Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5Ω and back back emf 200 V is 40 A. 440 A. 44 A. 400 A. 40 A. 440 A. 44 A. 400 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load primary current in a transformer lags behind applied voltage somewhat less than 90à leads the applied voltage by exactly 90Â& leads the applied voltage somewhat less than 90Ã& lags behind applied voltage by exactly 90Â&am lags behind applied voltage somewhat less than 90à leads the applied voltage by exactly 90Â& leads the applied voltage somewhat less than 90Ã& lags behind applied voltage by exactly 90Â&am ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce iron loss. reluctance of core. volume of iron. volume of copper. iron loss. reluctance of core. volume of iron. volume of copper. ANSWER DOWNLOAD EXAMIANS APP
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