Question

why do we use secondary cell in daily life?​

Answer 1

Answer:

Commonly used cell is dry cell.

Dry-cell is essentially comprised of a metal electrode or graphite rod {elemental carbon} surrounded by a moist electrolyte paste enclosed in a metal cylinder. in most common type of dry cell battery the cathode u=is composed of a form of elemental carbon called graphite.

Explanation:

Answer 2

Answer:

These cells are used only in devices that require a relatively low supply of electric current (such as hearing aids and watches). These are batteries that can be recharged after use by passing current through the electrodes in the opposite direction, i.e. from the negative terminal to the positive terminal.