In the primary batteries, the reaction occurs only once and after the use over a period of time battery becomes dead and cannot be reused again. A secondary battery, after used, can be recharged by passing current through it in the opposite direction so that it can be used again.
What do you mean by primary and secondary battery?
Answers
Amar kukreja
In the primary batteries, the reaction occurs only once and after the use over a period of time battery becomes dead and cannot be reused again. A secondary battery, after used, can be recharged by passing current through it in the opposite direction so that it can be used again.