Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Voltage transformer Power transformer Current transformer Auto transformer Voltage transformer Power transformer Current transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 4 0.96 0.4 9.6 4 0.96 0.4 9.6 ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have low reactance low resistance high reluctance high resistance low reactance low resistance high reluctance high resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current magnetising current and loss copper loss core loss efficiency magnetising current magnetising current and loss copper loss core loss efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in All of the listed here increased core losses increased I2R losses magnetic interference with communication circuits All of the listed here increased core losses increased I2R losses magnetic interference with communication circuits ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Rectangular type Sandwich type Circular type Cylindrical type Rectangular type Sandwich type Circular type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP
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