Podcast
Questions and Answers
What is the role of the zinc vessel in a dry cell?
What is the role of the zinc vessel in a dry cell?
What materials are constituents of the electrolyte paste in a dry cell?
What materials are constituents of the electrolyte paste in a dry cell?
What generates the potential difference in a dry cell?
What generates the potential difference in a dry cell?
Which voltage is typically produced by a carbon-zinc dry cell?
Which voltage is typically produced by a carbon-zinc dry cell?
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Which application is not commonly associated with carbon-zinc dry cells?
Which application is not commonly associated with carbon-zinc dry cells?
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Study Notes
Dry Cell (Carbon-Zinc)
- A dry cell is a type of battery using a dry medium.
- The zinc vessel is the negative electrode.
- A carbon rod inside acts as the positive electrode.
- The electrolyte is a paste mixture of ammonium chloride, zinc chloride, water, manganese dioxide, and carbon powder.
- The cell has an insulated lid to contain the components.
- A potential difference of 1.5 V is generated by the chemical reaction.
- Current flows when the cell's terminals are connected through an external resistance.
- Common applications include flashlights, remote controls, cameras, and children's toys.
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Description
Explore the fascinating world of dry cells, specifically carbon-zinc batteries. Learn about their components, how they generate 1.5 V, and their common applications such as in flashlights and remote controls. This quiz will test your understanding of the science behind these essential devices.
