Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as f V f² V² f V f² V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ___________________ generator has the poorest voltage regulation. over compounded. shunt. under-compounded. differential compounded. over compounded. shunt. under-compounded. differential compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor has which of the following characteristics? Has a poor torque. Has a almost constant speed. Can be started easily without load. Has its field winding consinting of thick wire and less no of turns. Has a poor torque. Has a almost constant speed. Can be started easily without load. Has its field winding consinting of thick wire and less no of turns. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt motor runs at a no-load speed of 1140 rpm. At full load, armature reaction weakens the main flux by 5% whereas the armature circuit voltage drops by 10%. The motor full-load speed in rpm is 1080 1200 1203 1000 1080 1200 1203 1000 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating part of DC motor is known as Armature. Pole. Carbone brush. Starter. Armature. Pole. Carbone brush. Starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant current. power. speed. torque. current. power. speed. torque. ANSWER DOWNLOAD EXAMIANS APP