Voltaic cell can be recharged by
Correct answer: B. replacing external circuit with external source of electricity
- A. by addition of fresh solution
- B. replacing external circuit with external source of electricity
- C. by removal of solution
- D. by heating it
Explanation
Voltaic cells, also known as galvanic cells, convert chemical energy into electrical energy. These cells can be recharged by reversing the current flow using an external source of electricity, driving the non-spontaneous reaction backward and replenishing the reactants.
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