Electric cells are devices that convert chemical energy into electrical energy. They consist of two electrodes (usually made of different materials) immersed in an electrolyte solution. The chemical reactions occurring at the electrodes generate a potential difference, leading to the flow of electric current. There are various types of electric cells, including:
1. **Primary Cells:**
- **Non-Rechargeable:** Once the chemicals are depleted, the cell cannot be recharged.
- Examples: Dry cells (like alkaline and zinc-carbon cells).
2. **Secondary Cells:**
- **Rechargeable:** These cells can be recharged by applying an external electric current.
Electric cells find extensive use in everyday devices, ranging from small household items like remote controls (using button cells) to larger applications like powering vehicles (lead-acid or lithium-ion batteries). They provide a portable and reliable source of electrical energy in various applications.
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Explanation:
Electric cells are devices that convert chemical energy into electrical energy. They consist of two electrodes (usually made of different materials) immersed in an electrolyte solution. The chemical reactions occurring at the electrodes generate a potential difference, leading to the flow of electric current. There are various types of electric cells, including:
1. **Primary Cells:**
- **Non-Rechargeable:** Once the chemicals are depleted, the cell cannot be recharged.
- Examples: Dry cells (like alkaline and zinc-carbon cells).
2. **Secondary Cells:**
- **Rechargeable:** These cells can be recharged by applying an external electric current.
- Examples: Lead-acid batteries, nickel-cadmium (NiCd) batteries, lithium-ion batteries.
Electric cells find extensive use in everyday devices, ranging from small household items like remote controls (using button cells) to larger applications like powering vehicles (lead-acid or lithium-ion batteries). They provide a portable and reliable source of electrical energy in various applications.