cells and batteries - TRIPLE Flashcards
1
Q
what do cells contain?
A
chemicals that react to produce electricity
2
Q
how is a simple cell made?
A
by connecting 2 different metals in contact with an
electrolyte.
3
Q
what do batteries consist of?
A
2 or more cells connected in series to produce a greater voltage.
4
Q
when does the chemical reaction stop in non-rechargeable cells?
A
when one of the rectants
has been used up.
5
Q
why can rechargeable cells be recharged?
A
the chemical reactions are reversed
when an external electrical current is supplied.
