Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Current transformer Power transformer Potential transformer Auto transformer Current transformer Power transformer Potential transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ None of the listed here Lesser average length per turn Shorter magnetic path Much longer magnetic path None of the listed here Lesser average length per turn Shorter magnetic path Much longer magnetic path ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Eddy current loss Copper loss Hysteresis loss Leakage reactance Eddy current loss Copper loss Hysteresis loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has reduced magnetic leakage high eddy current losses negligibly hysteresis losses None of these reduced magnetic leakage high eddy current losses negligibly hysteresis losses None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around 10% overload near full-load no-load half-load 10% overload near full-load no-load half-load ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current one-fourth the primary current one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current one-fourth the primary current ANSWER DOWNLOAD EXAMIANS APP
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