Electrical Machines Hopkinss test in DC motor is conducted at ? Full load. No load. Low load. None of these. Full load. No load. Low load. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine yoke offers both A and B flux path completion mechanical protection to the machine produce working flux both A and B flux path completion mechanical protection to the machine produce working flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors provided with open slots have higher efficiency. leading power factor. less breakdown torque. more breakdown torque. higher efficiency. leading power factor. less breakdown torque. more breakdown torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the mechanical power developed by a DC series motor is maximum? Back emf is equal to zero. Back emf is equal to half the applied voltage. None of above. Back emf is equal to applied voltage. Back emf is equal to zero. Back emf is equal to half the applied voltage. None of above. Back emf is equal to applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for generation of voltage electromechanical energy conversion commutation development of torque generation of voltage electromechanical energy conversion commutation development of torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a dc machine shunt resistance and armature resistance values are high and low low and high high and high low and low high and low low and high high and high low and low ANSWER DOWNLOAD EXAMIANS APP
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