Question

43° What are primary and secondary batteries? Give one example for each​

Answer 1

Answer:

Primary batteries are “single use” and cannot be recharged. Dry cells and (most) alkaline batteries are examples of primary batteries. The second type is rechargeable and is called a secondary battery. Examples of secondary batteries include nickel-cadmium (NiCd), lead acid, and lithium ion batteries.

Answer 2

⭐ $\sf\underline\pink{ Primary \: \: battery }$ :- It is an electrochemical cell which act as a source of electrical energy without being previously charged up by any electric current.

→ These cells cannot be reused again.

→ Example :- Leclanche cell (or) dry cell.

⭐ $\sf\underline\green{ Secondary \: \: battery }$ :- It is a electrical battery which can be charged , discharged into a load and recharged many times.

→ These cells can be reused again.

→ Example :- Lead storage battery .