Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is one-fourth the primary current four times the primary current one-fourth the primary current and equal to the primary current equal to the primary current one-fourth the primary current four times the primary current one-fourth the primary current and equal to the primary current equal to the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Star/Star Delta/Star Delta/Delta Star/Delta Star/Star Delta/Star Delta/Delta Star/Delta ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Wood Aluminium Silicon steel Copper Wood Aluminium Silicon steel Copper ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Remians unchanged None of the listed here Is increased Is decreased Remians unchanged None of the listed here Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its voltage ratio temperature rise copper loss dielectric strength of oil voltage ratio temperature rise copper loss dielectric strength of oil ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current primary turns to secondary turns secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current primary turns to secondary turns secondary terminal voltage to primary applied voltage ANSWER DOWNLOAD EXAMIANS APP
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