Transformers Which type of winding is used in 3phase shell-type transformer? Sandwich type Cylindrical type Rectangular type Circular type Sandwich type Cylindrical type Rectangular type Circular type ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 85% 95 % 65% 75% 85% 95 % 65% 75% ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 6 V 0 V 48 V 0.75 V 6 V 0 V 48 V 0.75 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 15-30% Above 40% 30-40% 3-5% 15-30% Above 40% 30-40% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Zoom Magnetostriction Boo Hum Zoom Magnetostriction Boo Hum 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
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