Transformer Quiz

What is the primary function of a transformer in power systems?

• To measure current

• To store electrical energy

• To step up or step down voltage levels

• To convert AC to DC

What are the two main windings in a transformer called?

• Source and Load

• Input and Output

• Primary and Secondary

• High and Low

What type of transformer increases voltage?

• Step-up transformer

• Current transformer

• Isolation transformer

• Step-down transformer

What is the purpose of laminating the core of a transformer?

• To increase weight

• To reduce eddy current loss

• To enhance magnetic flux

• To improve insulation

What is the term for the voltage induced in the secondary winding?

• Leakage voltage

• Primary voltage

• Mutual induced emf

• Self-induced emf

What is an isolation transformer used for?

• To convert AC to DC

• To provide electrical isolation

• To measure high currents

• To step up voltage

What does the turns ratio of a transformer indicate?

• The type of core material used

• The efficiency of the transformer

• The relationship between primary and secondary voltages

• The number of coils in the transformer

What is the reflected load in a transformer?

• The load connected to the secondary circuit

• The voltage drop across the windings

• The load seen by the primary circuit

• The total power output

What type of transformer is used for measuring high voltages?

• Potential transformer

• Step-up transformer

• Current transformer

• Isolation transformer

What is the purpose of impedance matching in transformers?

• To isolate circuits

• To reduce losses

• To ensure maximum power transfer

• To increase voltage