Transformers Harmonics in transformer result in All of the listed here magnetic interference with communication circuits increased core losses increased I2R losses All of the listed here magnetic interference with communication circuits increased core losses increased I2R losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 50% load Zero load 90% load 25% load 50% load Zero load 90% load 25% load 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
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is equal to the primary current one-fourth the primary current and equal to the primary current four times the primary current one-fourth the primary current equal to the primary current one-fourth the primary current and equal to the primary current four times the primary current one-fourth the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Copper losses Turn ratio Total equivalent leakage reactance Total equivalent resistance Copper losses Turn ratio Total equivalent leakage reactance Total equivalent resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Voltage device Power device Main flux device Current device Voltage device Power device Main flux device Current device ANSWER DOWNLOAD EXAMIANS APP
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