In a lead-acid cell, lead is called as____________?
Correct answer: B. negative active material
- A. positive active material
- B. negative active material
- C. passive material
- D. none of the above
Explanation
In a lead-acid cell, the negative plate is made chiefly of spongy lead, so lead is the negative active material. The positive active material is lead dioxide, PbO₂.
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