Electrical Machines A 6 pole lap connected DC generator with 480 conductors has armature resistance of 0.06 Ω. If the conductors are reconnected to from a wave winding other things remaining unchanged, the value of armature resistance will be 0.01 Ω. 0.54 Ω. 0.06 Ω. 0.54 Ω. 0.01 Ω. 0.54 Ω. 0.06 Ω. 0.54 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a induction motor. variable reluctance motor. switched reluctance motor. DC motor. induction motor. variable reluctance motor. switched reluctance motor. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce volume of iron. reluctance of core. volume of copper. iron loss. volume of iron. reluctance of core. volume of copper. iron loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load None of these remains unaffected increases decreases None of these remains unaffected increases decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Width of a carbon brush should be equal to the width of the 2 to 3 commutator segment. the width more than 3 commutator segment. the width of the 1 to 2 commutator segment. less than the width of commutator segment. the width of the 2 to 3 commutator segment. the width more than 3 commutator segment. the width of the 1 to 2 commutator segment. less than the width of commutator segment. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP