The charger for a tablet computer contains a transformer.
The voltage across the primary coil of the transformer is 230 V230\text{ V}230 V. The primary coil has 350035003500 turns and the secondary coil has 140140140 turns.
Calculate the output voltage of the transformer.
State the term used to describe this type of transformer.
136 exam-style questions on CIE IGCSE Physics 4.5.6a Construction and operation of a transformer. Each one has a worked solution and a mark scheme showing where the marks go.