Physics for IGCSE & O level - Magnets And Currents (Section 7 - No. 9)

What are the two main types of transformers?

Step-up and DC transformers

Step-down and AC transformers

Step-up and step-down transformers

AC and DC transformers

Transformers are classified based on their function in changing the voltage, either increasing it (step-up) or decreasing it (step-down).