Cells used in circuits can be divided into two groups, primary cells and secondary cells.
Define a primary cell and state an example.
Define a secondary cell and state an example.
For the following descriptions of the functions of primary and secondary cells, choose the correct words from each pair in bold to complete the sentences.
When recharging a secondary cell, the electrons are forced from the negative/positive plate to the negative/positive plate by an external current.
Lithium cells are widely used and have allowed for a revolution in the manufacture of portable electronics. However there are concerns with reliance on lithium as a material for making cells.
Outline two concerns with the use of lithium in cells.
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