Learn how electric circuits work and how to measure current and potential difference with this guide for KS3 physics students aged 11-14 from BBC Bitesize.

Without a difference of potential, current cannot flow. Despite the availability of these products, many companies are still using improvised methods to create a ground-level EPZ, such as laying chain ...

When plants draw water from their roots to nourish their stems and leaves, they produce an electric potential that could be harnessed as a renewable energy source. However, like all living things ...