Skip to content
Skip to main content

About this free course

Download this course

Share this free course

Introducing engineering
Introducing engineering

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

Described image
Figure 81 Two ways of generating an electric charge: (a) Rubbing the fur of a cat with a glass rod; (b) Joining two metals through an acidic chemical solution – an electrochemical cell

 5.2 Simple electrochemical cells: invention or discovery?