Transformers When secondary of a current transformer is open-circuited its iron core will be none of above will happen hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current none of above will happen hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 25% load 90% load Zero load 50% load 25% load 90% load Zero load 50% load ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is None of these capacitive only inductive or resistive inductive only None of these capacitive only inductive or resistive inductive only ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ None of the listed here Remians unchanged Is increased Is decreased None of the listed here Remians unchanged Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has reduced magnetic leakage None of these high eddy current losses negligibly hysteresis losses reduced magnetic leakage None of these high eddy current losses negligibly hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses inductive coupling Uses electric coupling Is a static device Uses capacitive coupling Uses inductive coupling Uses electric coupling Is a static device Uses capacitive coupling ANSWER DOWNLOAD EXAMIANS APP
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