Electrical Machines A 220 V dc machine has an armature resistance of 1Ω.If the full-load current is 20 A, the differenc in the induced voltages when the machine is running as a motor and as a generator is 40 V 20 V zero 50 V 40 V 20 V zero 50 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms is connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 570 A. 250 A. 460 A. 340 A. 570 A. 250 A. 460 A. 340 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on load angle reactance both 1and 2 voltage load angle reactance both 1and 2 voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A large series motor is never started without some mechanical on it because otherwise it will Open fuse or circuit breaker. Draw too much current. Develop excessive speed and damage itself. Produce sparking at brushes. Open fuse or circuit breaker. Draw too much current. Develop excessive speed and damage itself. Produce sparking at brushes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? series with main poles parallel with main poles series with armature parallel with armature series with main poles parallel with main poles series with armature parallel with armature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on shaft torque. rotor speed. core loss component. synchronous speed. shaft torque. rotor speed. core loss component. synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS