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विद्युत, दिशा प्रकाशन द्वारा : जेईई मेन और उन्नत परीक्षा हेतु पीडीऍफ़ बुक | Electricity by Disha Publication : For JEE Main and Advanced Exam PDF Book

विद्युत, दिशा प्रकाशन द्वारा : जेईई मेन और उन्नत परीक्षा हेतु पीडीऍफ़ बुक | Electricity by Disha Publication : For JEE Main and Advanced Exam PDF Book


Electricity-by-Disha-Publication-For-JEE-Main-and-Advanced-Exam-PDF-Book


Name of Book :  Electricity / विद्युत 

Hope This Electricity Book will Step up you to Succeed / आशा करते हैं विद्युत पुस्तक आपके कदम सफलता की ओर ले जायगी

Language of Book : English

Size of Ebook : 8.52 MB

Total pages in ebook : 126

Ebook Downloading Status  : Best 
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Description about eBook : ELECTRICITY FROM CHEMICALS : CELL
If we want to flow the charge through a resistor, we must set-up a potential difference across it. Let us connect each end of the resistor to a conducting sphere, with one sphere charged positively and other negatively as in fig. 3.23. The problem with such a device is that charge flows till their potential become equal. When that happens, the flow of charge stops.Therefore, to maintain a steady flow of charge we need a device which can maintain potential difference between the terminals of the resistor. Such a device is called emf device. It may be a battery, electric generator or solar cells etc. The simplest unit for making electricity is called a cell. It makes electricity for chemical reactions and works like a pump to push electrons along wires. A battery has two or more cells and some types, such as car batteries, are rows or "batteries" of single cells, hence our common name "battery" for single and multiple cells. In a primary cell, as electricity is produced, the chemicals are slowly used up. Eventually, the chemicals run out and the battery can not make electricity any more. In a secondary cells, the chemicals can be replenished or reformed by recharging the cell with electricity.............

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