Essential Chemistry for IGCSE - Chemical Changes (Section 1 - No. 4)
What do all batteries have in common?
They all use the same electrode material.
They all have a positive and negative terminal.
They all produce the same amount of voltage.
They all use the same electrolyte.
คำอธิบาย
All batteries require a potential difference or voltage, and they must have a positive and a negative terminal.