Transformer Quiz

What is the main purpose of a transformer?

• Transfer sound

• Transfer heat

• Transfer water

• Transfer energy

What are the two main components of a two-winding transformer?

• Coils and resistors

• Capacitors and diodes

• Coils and windings

• Core and resistors

Which winding is connected to the voltage source in a two-winding transformer?

• Tertiary winding

• Quaternary winding

• Primary winding

• Secondary winding

What determines the voltage across the secondary terminal of a transformer?

• The material of the core

• The frequency of the current

• The load resistance

• The number of turns in the primary winding

What type of transformer increases the voltage?

• Step-up transformer

• Step-down transformer

• Isolation transformer

• Autotransformer

What type of transformer decreases the voltage?

• Autotransformer

• Step-up transformer

• Step-down transformer

• Isolation transformer

What is the core material of transformer T1?

• Aluminum

• Iron

• Copper

• Air

For which type of currents is transformer T1 used?

• AC

• DC

• Low-frequency

• High-frequency

What are the common troubles in transformers?

• Short between the primary and the secondary

• Overheating

• Open in the core

• Short between turns

What happens if a transformer has a trouble?

• It increases the voltage

• It becomes more efficient

• It stops operating

• It operates better