Physics for IGCSE & O level - Magnets And Currents (Section 4 - No. 1)
What happens during transmission?
The voltage is increased before power from a generator is fed to overhead transmission cables.
The voltage is not changed.
Cables are used
The voltage is decreased before power from a generator is fed to overhead transmission cables.
คำอธิบาย
The voltage is increased for efficient transmission through cables.