Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Auto transformer Current transformer Potential transformer Step-up transformer Auto transformer Current transformer Potential transformer Step-up transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Eddy current Copper Friction Hysteresis Eddy current Copper Friction Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 15 MVA 1.5 MVA 5 MVA 50 MVA 15 MVA 1.5 MVA 5 MVA 50 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Is increased Remians unchanged Is decreased None of the listed here Is increased Remians unchanged Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8.8 V 880 V 8,800 V 88 V 8.8 V 880 V 8,800 V 88 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Circular type Sandwich type Rectangular type Cylindrical type Circular type Sandwich type Rectangular type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP
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