WorksheetsTransformer Working and Construction Quiz
Total questions: 8
Worksheet time: 4mins
What is the basic working principle of a transformer?
Electromagnetic induction
Nuclear fission
Thermal expansion
Chemical reaction
What kind of material is the core of the transformer made of?
Ferromagnetic material
Plastic
Copper
Aluminum
What is the purpose of using thin insulated steel laminations in the core of the transformer?
To reduce energy loss due to eddy current formation
To increase energy loss
To increase heat dissipation
To reduce heat dissipation
What is the purpose of the oil in the transformer tank?
To reduce heat dissipation
To increase heat dissipation
To increase energy loss
To reduce energy loss
What kind of winding is generally employed in transformers with high power ratings?
Disc type winding
Loop winding
Spiral winding
Coil winding
What is the configuration of the low voltage windings in a three-phase transformer?
Loop configuration
Spiral configuration
Star configuration
Delta configuration
What is the relationship between the primary and secondary currents in a transformer?
They are unrelated
They are directly proportional
They are inversely proportional
They are equal
How many output wires can be drawn from a three-phase step up transformer?
Four
Three
Five
Two
