GCSE AQA Physics Flashcards (Combined only!)
| Front | What do step - down transformers do |
| Back | reduce the potential difference to around 230 V for safe use in homes and schools etc |
| Front | What is the rule for current in series circuits |
| Back | Current is the same all the way around the circuit |
| Front | What is the frequency of mains electricity |
| Back | 50 Hz |