Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is None of these less than one great than one approximately equal to one None of these less than one great than one approximately equal to one ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Secondary winding Core Primary winding Bushings Secondary winding Core Primary winding Bushings ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 50 per cent 98 per cent 100 per cent 25 per cent 50 per cent 98 per cent 100 per cent 25 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is None of these capacitive only inductive only inductive or resistive None of these capacitive only inductive only inductive or resistive ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has negligibly hysteresis losses high eddy current losses reduced magnetic leakage None of these negligibly hysteresis losses high eddy current losses reduced magnetic leakage None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Leakage flux is small Iron core is used Applied voltage and frequency are constant Losses are small Leakage flux is small Iron core is used Applied voltage and frequency are constant Losses are small ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS