Introduction to Transformer

Transformer is AC static electromagnetic machine (as it has no moving part) which steps up or downs the voltage level in power system keeping power at constant levels and frequency remains unchanged. In simplest form, it consist of two coils wound on an iron core. It works on law of electromagnetic induction. It is based […]

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How to make Automatic Charger for a 7Ah Battery

Importance of 7Ah Sealed Lead Acid Battery          7Ah Sealed lead acid battery is a very popular battery which people use in most places like fans, LEDs etc. The reason behind popularity of this battery is due to its medium size and medium Ah rating. By medium means, its size and ratings […]

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Non Rechargeable Batteries

         If you recently working on batteries you will surely thinking that these non rechargeable batteries must be some old technology thingy and they should now through off. But remember you don’t want to recharge the cell of your wall clock weekly. Wait !! what did I say? Weekly? Yes, it’s only […]

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Rechargeable Batteries

There are many kind of rechargeable batteries in the market which are enough to confuse you while buying one of them. While explaining the technical differences of different batteries I will try to give you enough explanations to remove your confusions about the batteries related to your specific application. If you want to get the […]

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Basics of Batteries

What is Battery ? A battery is a device which can store electrical energy chemically.  Let’s take a simple example of water storage. Drinking water have some specific sources, you cannot take those sources with you. So you use water bottles to store some amount of water. Moreover if you want to store water for […]

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DC/AC Current Measurements Using Hall-Effect Sensors

Hall Effect: When current passes through the conductor present in the magnetic field, a voltage is produced at the ends of that conductor. This effect is called as Hall-Effect.  Hall-Effect sensors: When you closely look upon the definition of the Hall-Effect you will find that there are two ways to use this sensor. Pass current […]

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