Ordinary electric cells cannot be recharged. Life comes to a standstill 4. Science Olympiad for Class 6 - Download free International Science Olympiad sample papers, question papers for Class 6 ... Shadows and Reflections, Electricity and Circuits, Fun with Magnets, Our Environment, Sorting and Separation of Materials, Changes … Those materials which insulators do not allow electric current to pass through them as called insulators. (6) Electricity is used to pump underground water from tube wells for irrigation in field. Uses of Electricity. Question 7 What is a dry cell? This electricity is made available through an intricate network of powerhouses, cables and towers. This essay is suitable for all class. Also Read NCERT Solutions for Chapter 12 Electricity and Circuits. Electric wires have a plastic insulation over them. Electric heater, oven, mixer-grinder, coffee-maker and various other items operate on electricity. Cinema is impossible without it. The incident also helped me appreciate the value of electricity as an essential resource. But without electricity these things can not function. Give its units. In experiments we should always join the two terminals of a cell by connecting them through wires containing a device such as a torch bulb and a switch. Electric Cell. When the two terminals of a cell are connected to the two terminals of a torch bulb by using wires, the electric current passes through the filament of the bulb and it starts glowing. Question 6 Draw the sketch of a torch bulb? Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. essential aspects of everyday life. It is a gift to mankind. If there were No Electricity In the modern life, we have got so habituated to the use of electricity that we do not want a moment of life without electricity. Electricity is essential to operate fan in summer and electric heater in winter. The bare ends of electric wires can be connected to the two terminals of a cell by using rubber bands or adhesive tapes used by electricians. (3) The refrigerator in our homes also works with electricity. We hope the given CBSE Class 6 Science Notes Chapter 12 Electricity and Circuits Pdf free download will help you. ‌Electricity is generated in various ways so as to cater to the ever growing needs of human beings. The metal cap is positive terminal of the electric cell whereas metal disc is the negative terminal of the electric cell. We should never join the two terminals of a cell directly by a wire because if we join the two terminals of a cell directly by wire only, then the chemicals present in the cell get used up very fast, the cell gets damaged quickly. If two or more cells are joined together, they make a battery. The two terminals of a torch bulb do not touch each other, they are separated by an insulating material between them. Now-a-days, everything is done by electricity. Welcome to Students of Class 6 View Essays, Articles & other information pertaining to your Class. The entire NCERT textbook questions have been solved by best teachers for you. Privacy Policy The electric cells or batteries used in cars, cameras, mobile phones can be recharged again and again for many years. Ans3. When all the chemicals in the electric cell are used up, the electric cell stop producing electricity. The electric wires can be connected to the two terminals of a torch bulb by using adhesive tapes. We have reached a point of our civilization when electricity is used for all purposes. It has two metal plates indicating two terminals-negative and positive. (4) The lower end of one of the thick wire is connected to the metal tip at the bottom of the bulb whereas the lower end of the other thick wire is connected to the metal case of the bulb. These two things have improved our living standard and also efficiency of work. Modern society is completely dependent on electricity. Question 8 Which part of the torch bulb gives off light when it is connected to a cell by wires? (5) The metal tip at the base of the bulb and the metal case of the bulb are the two terminals of the torch bulb. The electric cell produces electricity from the chemicals stored inside it. Telephone also functions due to electricity. Inside the glass bulb, there is a very thin wire fixed between two thick wire. Define potential difference. Answer: Electric cell is a source of energy. An electric cell is known as, If two or more cells are joined together, they make a, The electric cell which we use in torch is known as, (2) The thin wire inside the body is called. It is the heating effect produced by the electricity from the cell which makes a torch bulb works and produce light. Disclaimer Electric wires have a plastic insulation over them. It has practically revolutionized the world. CBSE Class 6 - Electricity and Circuits. (2) Electricity is used to run fans, coolers and air conditioners which make our life cool and comfortable during hot summer days. The small electric bulb which produces light when a torch is switched on is called a torch bulb. The most important wonder of electricity is felt in the field of medical science. In cold winter, electric heaters warm our rooms. Conductors and Insulators, Electricity and Circuits, Class 6 - Those materials which allow electric current to pass through them are called conductors. Essay About Electricity. Copyright. Fan is not a luxurious thing. A single electric cell usually provides only 1.5 volts of electricity whereas the electricity from power plants which is used in our homes is 220 volts. 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