Our day-to-day life is completely surrounded by microchips. From tiny things such as, cell phones to television and from computers to laptops, we are completely dependent on electronics. We use them in every day-to-day work, such as, appliances, gizmos, calculators, measuring devices, and gadgets. If we ever look inside them, then we will be astonished by the millions of tiny electronic components they are made from. Without them, we become paralyzed and feel as if our life has grown to be stagnant. They play an important role in the development of the society and in the growth of nation as well. As the name suggests electronics is a branch of science that deals with the motion of electrons. The motion is mainly controlled through the help of semi-conductor devices. There are also some other devices that affect the electron and its field, such as, capacitors, transistors, resistors, diodes, triodes, etc. the motion and the path is controlled within a closed loop, which is more commonly known as circuits. Circuits are categorized into two types, the Digital and the Analog circuits. Analog circuits maintain a continuous flow of electrons, where as Digital circuits maintains a discrete flow of electrons. Examples of analog circuits are amplifiers, vacuum tubes, transistors, etc. for digital circuits, computers, and digital signal processor are some of the examples. For developing a successful electronic device, it is very important to make it sure that it has to be an energy efficient device. When electricity is passed through a circuit, it generates a considerable amount of heat. Therefore it is important to keep in check the amount of heat generated for the durability of the device. The circuits are cooled using a cooling device such as heat sinks, water cooling, and even fans. Moreover, generating too much amount of heat means wastage of energy, and thus making the device less efficient. Therefore more is the efficiency of the device, lesser you will have to pay for the energy bills. It is true that with the development of electronics our lifestyle has completely changed. Every now and then we come to know about some new kind of technology being introduced to the market. Every successive invention projects itself as better than its previous version. Everyone likes to remain updated with the latest technology and throw out the obsolete. With so many players in the market the prices of electronic goods have fallen considerably, making it possible for everyone to have a slice of it. But, what happens to those replaced products? They are finally dumped as waste products, and are known as e-waste, or electronic waste. e-waste is a growing matter of concern for the developed and technologically advanced countries. According to the United Nations, each year approximately 20 to 50 million tons of e-waste are generated worldwide. Since most of the parts of the electronic goods are produced from hazardous materials, therefore it is very dangerous for the environment. Hence along with the development of electronics it is also important to re-cycle the e-waste for the safety of environment.

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Source: Electronics is a Boon, But it Can be a Bane Too

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