Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant speed. current. torque. power. speed. current. torque. power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two dc machines A and B, using the same conductor material, have armature circuit resistances of 0.4 Ω and 1.2 Ω respectively. Of the two machines, both are of the same size for the same current rating A is bigger than B for the same voltage rating A is bigger than B for the same current rating B is bigger than A for the same current rating both are of the same size for the same current rating A is bigger than B for the same voltage rating A is bigger than B for the same current rating B is bigger than A for the same current rating ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under trailing pole tips in case of generator will either increase or decrease increase decrease None of these either increase or decrease increase decrease None of these 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 1-S S 1/S 2-S 1-S S 1/S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected through inductive coupling in series either of these depending on the design of the motor in parallel through inductive coupling in series either of these depending on the design of the motor in parallel ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum efficiency will occur, when copper loss is_______to iron loss? equal to any of the above less than greater than equal to any of the above less than greater than ANSWER DOWNLOAD EXAMIANS APP
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