GCSE; OCR 21st Century; How to affect electric current - OCR 21st Century Current-voltage graphs. Electrical current depends on resistance and potential difference. Different electrical components ...

All the latest science news on electrical potential from Phys.org. Find the latest news, advancements, and breakthroughs.

We'll talk about three big ideas: electric potential difference (voltage), electric current, and electric field. Yes, they are all related, and I will show you how with some water and an LED.

- OCR 21st Century Current-voltage graphs Electrical current depends on resistance and potential difference. Different electrical components have different characteristics.