Electrical Machines In a synchronous motor electromagnetic power varies directly as applied voltage directly as square of applied voltage None of these inversely as applied voltage directly as applied voltage directly as square of applied voltage None of these inversely as applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg ) 0 Volt. 1500 Volt. 1600 Volt. 2000 Volt. 0 Volt. 1500 Volt. 1600 Volt. 2000 Volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to None of these auto transformer. two winding transformer with secondary short circuited. two winding transformer with secondary open circuited. None of these auto transformer. two winding transformer with secondary short circuited. two winding transformer with secondary open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a dc machine shunt resistance and armature resistance values are high and high high and low low and low low and high high and high high and low low and low low and high ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is 9/16. 3/4. 16/9. 4/3. 9/16. 3/4. 16/9. 4/3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T∝ V² T ∝ V T ∝ 1/V² T ∝ 1/V T∝ V² T ∝ V T ∝ 1/V² T ∝ 1/V ANSWER DOWNLOAD EXAMIANS APP
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