Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Boo Hum Magnetostriction Zoom Boo Hum Magnetostriction Zoom ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer None of these could either be a low voltage or high voltage winding is always a low voltage winding is always a high voltage winding None of these could either be a low voltage or high voltage winding is always a low voltage winding is always a high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around near full-load 10% overload no-load half-load near full-load 10% overload no-load half-load ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be s.N. (Ns-l)s (l-s)Ns Ns s.N. (Ns-l)s (l-s)Ns Ns ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Power Frequency Current Voltage Power Frequency Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine core losses hysteresis losses copper losses eddy current losses core losses hysteresis losses copper losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP