Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 1 V 4 V 2 V 0 V 1 V 4 V 2 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above questions, find the power delivered by each of the alternators to a load of impedance 6Ω(resistive) 1000 W, 5040 W. 3190 W, 5040 W. 6000 W, 7000 W. 100 W, 2000 W. 1000 W, 5040 W. 3190 W, 5040 W. 6000 W, 7000 W. 100 W, 2000 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard method of speed control, the direction of rotation of motor is reversed usually reversing the connection of the generator field terminal. motor armature terminal. generator armature terminal. motor field terminal. generator field terminal. motor armature terminal. generator armature terminal. motor field terminal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors normally use cast aluminium rotor because aluminium is cheaper in cost. lighter in weight. of low resistivity. easy to cast owing to its low melting point and is easily available. cheaper in cost. lighter in weight. of low resistivity. easy to cast owing to its low melting point and is easily available. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalance 3 - Φ stator currents cause double frequency currents in the rotor. heating of rotor. All of these vibrations. double frequency currents in the rotor. heating of rotor. All of these vibrations. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 1-phase induction motor, if the forward torque slip is S, what is the backward torque slip? 1/S 2-S 1-S S 1/S 2-S 1-S S ANSWER DOWNLOAD EXAMIANS APP