engineering recuitment UPPCL Technician Electrician 2022 Mock Test Electrician and Wireman Cells and Batteries
Consider the following materials:
1. Lead peroxide
2. Sponge lead
3. Dilute sulphuric acid
Which of the above are active materials of a lead-acid battery?
1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2 and 3