JAMB - Physics (2017 - No. 31)
Which of the following is correct about an electric cell?
Primary cell produces a large current for a long time
Secondary cell has a very high internal resistance
Primary cell has a very low internal resistance
Secondary cell has a very low internal resistance
Giải thích
About electric cell
Primary cells are used up gradually often the cells are use and it can't be recharged
Secondary cells or accumulated can be recharged and used for a long period of time and their main advantage is that they have low internal resistance
Primary cells are used up gradually often the cells are use and it can't be recharged
Secondary cells or accumulated can be recharged and used for a long period of time and their main advantage is that they have low internal resistance