So the deflection is seen in the needle. Before plunging into the deeper concepts, first, study the basic ones and understand the features of charges produced in a conductor. Explain. This is called magnetic effect of the current. Getting well versed with electric current Class 7 concepts is very crucial for students. Q.8.Fill in the blanks: Practice more on Electric Current and its Effects. Will the compass needle show deflection when the switch in the circuit shown by Fig.14.24 is closed? Help Zubeda in identifying the possible defects in the circuit. Students can also download CBSE Class 7 Science Chapter wise question bank pdf and access it anytime, anywhere for free. (T/F), (c) An electromagnet does not attract a piece of iron. NCERT Solutions for Class 7 Science Chapter 14 Electric Current and its Effects Question 1. Draw the circuit diagram to represent the circuit shown in Fig.14.21. Motion ) Question 1. Q.ll. 4. CBSE Class 7 Science Chapter 14 Electric Current and its Effect NCERT Solutions. Draw in your notebook the symbols to represent the following components of electrical circuits : connecting wires, switch in the ‘OFF’ position, bulb, cell, switch in the ‘ON’ position and battery. [T/F] (a) Longer line in the symbol for a cell represents its terminal. Plastic bags are not magnetic materials, only magnetic materials like iron can be attracted by the magnet. (T/F), (b) When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks. Ans. Electric Current and Its Effects Class 7 MCQs Questions with Answers. Read the latest NCERT/CBSE Books to make preparations for the periodic tests and exams to be held in 2020-2021. 14.17. Explain. This charge flows in a conductor producing a current. 10. MOTION AND TIME P. 153 Oral Questions For Formative Assessment 1. metre, kilogram, second, kelvin 2. Make necessary changes in the circuit to make the bulb glow. These MCQ Questions on Electric Current and Its Effects Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Important questions include the function of electric fuse, Miniature Circuit Breakers (MCB), symbols of electrical components, magnetic effect of electric current, the heating effect of electric current, electromagnet, electric bell, etc. The free CBSE notes available here come with detailed explanations of important topics to further make learning easy for students. ii) If the switch is On, all the bulbs glow simultaneously. Name any two effects of electric current. Hello students in this video we have discussed about the electronic bell As we know that needle of the compass is made up of a thin magnet. It is important to put the cells in right series. It gives students the basic idea about the flow of electric current. 3. increases When current is passed through the wire, it deflects the compass near it from its north-south position like a magnet. Give reasons for your response. Q.2.Draw the circuit diagram to represent the circuit shown in fig. 1. Your email address will not be published. So this page contains notes of most of the class 7 chapters and we also have assignments of most of the chapters that you can practice. NCERT-Books-for-class 7-Science-Chapter 14.pdf. Explain. Ans. Science - Class 7 /Grade 7 (Chapter 11-18) Chapter 14 - Electric Current and its Effects - 1 NCERT Solutions for Class 7 Science PDF free download, NCERT Solutions for Class 7 Science Chapter 14 Electric Current and its Effects, to Study online or download free in PDF form. Q.6.When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position. We are surrounded by electricity and almost all of us are familiar with an electric current. 9. 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