Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Zoom Boo Hum Magnetostriction Zoom Boo Hum Magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Energy efficiency Power efficiency None of the listed here Current efficiency Energy efficiency Power efficiency None of the listed here Current efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 1.3 Ω 13 Ω 78 Ω 7.8 Ω 1.3 Ω 13 Ω 78 Ω 7.8 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to supply frequency Inversely proportional to primary voltage None of the listed here Directly proportional to supply frequency Inversely proportional to supply frequency Inversely proportional to primary voltage None of the listed here Directly proportional to supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Sandwich type Rectangular type Circular type Cylindrical type Sandwich type Rectangular type Circular type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. More than The same as Less than None of the listed here More than The same as Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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