Electrical Machines If the speed of a dc motor increases with load torque, then it is a series motor permanent magnet motor differentially compounded motor comulatively compounded motor series motor permanent magnet motor differentially compounded motor comulatively compounded motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve quick acceleration. reduced size. high efficiency. low starting torque. quick acceleration. reduced size. high efficiency. low starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer which of the following losses are zero? All of these Copper loss Rotational loss Iron loss All of these Copper loss Rotational loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, if P be the number of poles and N be the rpm of the rotor, then frequency of magnetic reversals will be PN/2. PN/3000. PN/60. PN/120. PN/2. PN/3000. PN/60. PN/120. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous reactance( Xs) is the combined reactance due to armature reaction and leakage flux reactance due to leakage flux reactance either due to armature reaction or leakage flux reactance due to armature reaction of the machine combined reactance due to armature reaction and leakage flux reactance due to leakage flux reactance either due to armature reaction or leakage flux reactance due to armature reaction of the machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as f² V² V f f² V² V f ANSWER DOWNLOAD EXAMIANS APP
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