Electrical Machines A DC series motor drawing an armature current of Ia is operating under saturated magnetic conditions. The torque developed in the motor is proportional to Ia Ia2 I/Ia2 1/Ia Ia Ia2 I/Ia2 1/Ia ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short circuit test on a transformer gives copper loss at full load. copper loss at half load. copper loss at any load. copper loss at over load. copper loss at full load. copper loss at half load. copper loss at any load. copper loss at over load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two single-phase alternators operating in parallel have induced EMFs on open circuit of 230∠0° and 230∠10° volts and respective reactance of j2 Ω j3 Ω calculate the terminal voltage 200 V. 150 V. 300 V. 223.V. 200 V. 150 V. 300 V. 223.V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a dc machine shunt resistance and armature resistance values are low and high high and high high and low low and low low and high high and high high and low low and low ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a DC cummulative compound wound motor is loaded Torque decrease and speed increases. Both torque and speed decrease. Torque increase and speed decrease. Torque and speed both increase. Torque decrease and speed increases. Both torque and speed decrease. Torque increase and speed decrease. Torque and speed both increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which lie under north pole. lie in the inter polar gaps. lie under south pole. there is no hard and fast rule for this. lie under north pole. lie in the inter polar gaps. lie under south pole. there is no hard and fast rule for this. ANSWER DOWNLOAD EXAMIANS APP
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