Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss decrease. None of these increase. remains constant. decrease. None of these increase. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in synchronous motor. in both machines. none of above. induction motor. synchronous motor. in both machines. none of above. induction motor. 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? 2-S S 1-S 1/S 2-S S 1-S 1/S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is interpole and compensating windings together field winding interpole winding armature winding interpole and compensating windings together field winding interpole winding armature winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in series motors shunt motors None of these either of these series motors shunt motors None of these either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in the dc generator armature winding is DC AC and DC AC None of these DC AC and DC AC None of these ANSWER DOWNLOAD EXAMIANS APP
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