DC Motors The back emf in a dc motor ______ Opposes the applied voltage Aids the applied voltage None of the listed here Aids the armature current Opposes the applied voltage Aids the applied voltage None of the listed here Aids the armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Windage losses Eddy current losses Hysteresis losses Copper losses Windage losses Eddy current losses Hysteresis losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Series motor Shunt motor Differentially compounded motor Cummulative compounded motor Series motor Shunt motor Differentially compounded motor Cummulative compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Compound motor only Both shunt and compound motor Shunt motor only Series motor only Compound motor only Both shunt and compound motor Shunt motor only Series motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? C. series motor Induction motor C. shunt motor Reluctance motor C. series motor Induction motor C. shunt motor Reluctance motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in Parallel with the armature Series-parallel with the armature Series with the armature None of the listed here Parallel with the armature Series-parallel with the armature Series with the armature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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