battery (1).ppt
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The document discusses batteries and their components. It defines a battery as a cell or group of cells that converts chemical energy to electrical energy through reversible chemical reactions, and can be recharged by passing current in the opposite direction of discharge. Batteries contain hazardous materials like sulfuric acid and lead that can cause health issues like burns, blindness, nerve damage and cancer. The document also describes primary batteries that directly convert chemical to electrical energy, and secondary batteries that must be charged first before converting stored chemical energy to electrical energy.
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1) Batteries convert chemical energy into electrical energy through reversible chemical reactions and can be recharged by passing current in the opposite direction of discharge.
2) Batteries contain hazardous materials like sulfuric acid and lead that can cause burns, nerve damage, and other health issues if exposed.
3) Primary batteries convert chemical energy directly while secondary batteries must be charged first before use and can be recharged multiple times.
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The document discusses different types of batteries. It describes that a battery contains a cathode and anode separated by an electrolyte. Batteries store chemical energy and convert it to electrical energy. The document then discusses wet cell batteries, which contain liquid electrolytes like sulfuric acid, and dry cell batteries, which contain paste electrolytes. Common types of batteries mentioned include lead-acid, lithium-ion, alkaline, and zinc-carbon. The document provides details on the chemistry and applications of these different battery types.
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Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
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and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
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Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
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- 1. The Battery
- 2. The Battery • Main Entry: storage battery • Function: noun • Date: 1881 • : a cell or connected group of cells that converts chemical energy into electrical energy by reversible chemical reactions and that may be recharged by passing a current through it in the direction opposite to that of its discharge -- called also storage cell.
- 3. Battery HAZARDOUS CONSTITUENT POSSIBLE EFFECTS SULFURIC ACID Corrosive, causes severe skin burns, and can cause blindness. LEAD Causes nerve and kidney damage, suspected carcinogen
- 4. Types of Batteries The primary battery converts chemical energy to electrical energy directly, using the chemical materials within the cell to start the action. The secondary battery must first be charged with electrical energy before it can convert chemical energy to electrical energy. The secondary battery is frequently called a storage battery, since it stores the energy that is supplied to it.
- 5. DRY CELL • Uses An electrolytic paste. • The electrolytic paste reacts with the electrodes to produce a negative charge on one electrode and a positive charge on the other. • The difference of potential between the two electrodes is the output voltage.
- 6. Lead Acid Battery • Electrolyte for the most part distilled (pure) water, with some sulfuric acid mixed with the water. • Electrodes must be of dissimilar metals. • An active electrolyte.