WebApr 9, 2024 · CBSE Class 8 Science Notes Chapter 14 Chemical Effects of Electric Current Pdf free download is part of Class 8 Science Notes for Quick Revi Chemical Effects of Electric Current Class 8 Notes Science... WebSep 9, 2024 · Answer: It is required to check excessive flow of electric current and save electrical appliances from further damage. Question 17. Why is it advisable not to touch a lighted electric bulb connected to the mains. Answer: Lighted electric bulb connected to the mains may be very hot and can burn our hand badly.
Merit Batch — Chemical Effects of Electric Current Class 8 Notes...
Web3) Heating effect of electric current - When electric current flows through a wire, the wire gets heated. This is called the heating effect of electric current. Activity - Make an electric circuit as shown in the figure. Take a 10 cm long nichrome wire and tie it between the two nails. Switch on the current. After a few seconds touch the wire ... WebApr 9, 2024 · The Class 8 Science Chapter 14 Solutions are now made easy to understand all the concepts and topics related to the chapter precisely. You can now go through the concise explanations offered in these NCERT Solutions for Class 8 Science to get the utmost clarity on different concepts under the chapter Chemical Effects of Electric … freeze my ssn
Chapter 14 Chemical Effect of Current - National Council of …
WebSolution: (a) Longer line in the symbol for a cell represents its positive terminal. (b) The combination of two or more cells is called a battery. (c) When the current is switched ‘on’ in a room heater, it produces heat. (d) The safety device based on the heating effect of electric current is called a fuse. 9. WebMar 24, 2024 · The most convenient source of energy is electricity. CBSE Class 7 Science Electric Current and Its Effects Worksheets with Answers for Chapter 14 in PDF format to download prepared by expert Science teachers from latest edition of CBSE (NCERT) books. Register online for Science tuition on Vedantu. When an electric current passes … Web4. When electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates (a) the chemical effect of current. (b) the heating effect of current. (c) the magnetic effect of current. (d) the lightning effect of current. 5. Which one of the following solutions will not conduct electricity? freeze nikk lyrics