NEETChemistryElectrochemistry
How is a secondary cell recharged after use?
Options
- ABy replacing the electrolyte
- BBy passing current through it in the opposite direction
- CBy increasing the temperature
- DBy adding more lead dioxide to the cathode
Correct answer
B. By passing current through it in the opposite direction
Step-by-step solution
A secondary cell can be recharged by passing current through it in the opposite direction.