Question

Fill in the blank:

Cells that can be recharged are called _________ cells.

Answer 1

Secondary Cell:

1. A secondary cell can be recharged after it has stopped supplying electric current by passing electricity through it.
2. The chemical reactions in a secondary cell is reversible.
3. Examples of secondary cells are nickel-cadmium, lead-acid, nickel-metal hydride, and lithium-ion.