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.

The Work Energy Principle is one of the big ideas in introductory physics courses. It’s so big that the textbook presentation can get a little confusing – but it doesn’t have to be that way ...

Electrostatic Potential and Capacitance Class 12 Notes: Get here CBSE Class 12 Physics Full and Short Notes for Physics of Chapter 2 for upcoming Board exam revision.

You can measure the potential difference across a cell or battery. If the two or more cells point in the same direction, the more cells, the bigger the potential difference.

The arrows in figure 1 are separated by 1 log unit, or put another way, they mark a 10-fold concentration difference. The membrane potential difference between these two points is 58 mV (difference ...