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? 0.4 0.96 9.6 4 0.4 0.96 9.6 4 ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Current transformer Voltage transformer Power transformer Auto transformer Current transformer Voltage transformer Power transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ None of the listed here High voltage and small output Low voltage and high output High voltage and high output None of the listed here High voltage and small output Low voltage and high output High voltage and high output ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Cylindrical type Circular type Rectangular type Sandwich type Cylindrical type Circular type Rectangular type Sandwich type ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in All of the listed here magnetic interference with communication circuits increased I2R losses increased core losses All of the listed here magnetic interference with communication circuits increased I2R losses increased core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 880 V 88 V 73 V 7.3 V 880 V 88 V 73 V 7.3 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS