transformer: step-up and step-down transformers - Students, Britannica Kids

Step-up transformers raise voltage prior to transmission. Step-down transformers lower voltage prior to use.

electricity - Students, Britannica Kids

Transformer - Wikipedia

Step-up and Step-down Transformers, Transformers

electricity - Students, Britannica Kids

The National Grid - Electricity generation - OCR 21st Century - GCSE Physics (Single Science) Revision - OCR 21st Century - BBC Bitesize

step-down transformer - Students, Britannica Kids

Step-up and Step-down Transformers, Transformers

transformer: step-up and step-down transformers - Students, Britannica Kids

electricity - Students, Britannica Kids

Transformer - Wikipedia