Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. directly. inversely. none of these. has no relation. directly. inversely. none of these. has no relation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place when supply voltage fluctuates. when power factor is unity. when load varies. motor is under loaded. when supply voltage fluctuates. when power factor is unity. when load varies. motor is under loaded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on both 1and 2 voltage reactance load angle both 1and 2 voltage reactance load angle 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/60. PN/3000. PN/120. PN/2. PN/60. PN/3000. PN/120. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Alternator operates on the principle of self or mutual induction. mutual induction. electromagnetic induction. self induction. self or mutual induction. mutual induction. electromagnetic induction. self induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an ideal DC generator the regulation is low. high. zero. positive. low. high. zero. positive. ANSWER DOWNLOAD EXAMIANS APP
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