Electrical Machines
A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp?

 30 V.
 40 V.
 60 V.
 90 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
No load primary current in a transformer

 lags behind applied voltage by exactly 90Â&am
 leads the applied voltage somewhat less than 90Ã&
 lags behind applied voltage somewhat less than 90Ã
 leads the applied voltage by exactly 90Â&

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electrical Machines