Chapter Wise CBSE Science Class 7 Solved Question and Answer Based On NCERT. (c) gives electric shock Sorry!, This page is not available for now to bookmark. Draw in your notebook the symbols to represent the following components of electrical circuits: … These test will provide a complete revision for second chapter of grade 7 science. Electric fan and electrical motor are the electrical appliances in which electromagnets are used. 1.1 Class 7 Social Science Extra Questions- Devotional path; 1.2 Class 7 Social Science Extra Questions- On Equality; 1.3 Class 7 Social Science Extra Questions- Political Formations; 1.4 Class 7 Social Science Extra Questions- Regional Cultures; 1.5 Class 7 Social Science Extra Questions- The Mughal Empire (a)-(ii) 8. Check the below NCERT MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers Pdf free download. Level : Class – 7. Name it. An electric cell produces electricity from the ……………… in it. The three effects of electricity are. Can we use the same fuse in a geyser and a television set? If unconsciously, a child puts his finger in the electric socket, the shock may be fatal. Due to this, the armature vibrates forwards and backwards rapidly each time making the clapper strike the gong. (a) On which effect of electric current, does the electric iron works? Last Sunday, Pulpit was playing videotape in his room. (b) Magnetic effect of current is used in electric bell and cranes to lift heavy magnetic materials from one place to other. [NCERT Exemplar] The cell is the unit of battery when more than one cell are combined together, it forms a battery. Meritnation.com gives its users access to a profuse supply of General Science (Solutions) questions and their solutions. Answer: False, as the element of an electric bulb is made of tungsten. Answer: False, a car battery is a combination of cells. At Teachoo, we have solved all the NCERT Questions, Examples from inside the book, Questions from Inside the Book, and some very important Extra Questions.These Extra Questions … This document is highly rated by Class 8 students and has been viewed 41920 times. Answer: (a) heating effect of current is used and Question 6. (a) A magnetic device used for finding geographic directions, (b) A device which is essential in an electric bell, (c) A fuse used in expensive and sensitive electric devices, (d) An alloy used as a material of fuse wir, (e) A material used for making filament of a bulb, (f) A material which does not allow the electric current to pass, (g)A material used for making electromagnets. Some of the electric appliances where the heating effect of the electric current is used are electric heater, geyser, micro-oven, room heater, boiler, etc. Give reason. NCERT Solutions Class 7 Science Chapter 14 Electric Current and its Effects – Here are all the NCERT solutions for Class 7 Science Chapter 14. Question 3: Humans produce voice from which organ? Multiple Choice Questions (MCQ) for CBSE Class 7 all subjects on Topperlearning. (b) There is a maximum limit on the current which can safely flow through the electric circuits As we know that a battery is a combination of two or more cells and it can be constructed by placing cells property on cell holder in such a way that the positive terminal of one cell is connected to the negative terminal of other. Name the device used these days in place of eiectric fuses in electrical circuits. NCERT Extra Questions for Class 7 Science Chapter 14 Electric Current and Its Effects with Answers will help to score more marks in your CBSE Board Exams. The value of the current in a circuit increases heavily at the time of short circuit. Prepare these extra questions & prepare for CBSE Class … Jun 10, 2019 - Electric Current and Its Effects Class 7 Extra Questions Science Chapter 14 are part of Extra Questions for Class 7 Science NCERT. Choose the combination of correct answer from the following. So, electromagnet of Paheli attracts more pins as compared to Boojho. (a) deflects a magnetic needle placed near it, Question 5. Question 1. Answer: Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. (c) double Also, understand the concept of electroplating while learning about the chemical effects of current by referring to our NCERT solutions for Class 8 Science Chapter 14.

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