Physics for IGCSE & O level - Magnets And Currents (Section 3 - No. 19)
What is the function of transformers in a typical power distribution system?
To increase voltage for transmission.
To decrease voltage for consumer use.
To convert AC to DC.
To regulate the frequency of the current.
คำอธิบาย
Transformers are used to step-up and step-down voltages.