Customize assignments and download PDF’s. Mark ‘T’ if the statement is true and ‘F’ if it is false: (a) To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell. A current-carrying coil, when suspended freely, can rest in any direction : A coil carrying current behaves like a magnet : In an electromagnet, the core is made up of copper : An electric bell uses an electromagnet : An electromagnet with the soft iron core is a temporary magnet : ... Electric current causes a coiled wire to become an electric bell. (True) Explanation: - (T/F) Answer: False; True; False; True; Question 10. (T/F) ... An electric bell has an electromagnet. Visible light is a kind of electromagnetic wave. Do you think an electromagnet can be used for separating plastic bags from a garbage heap? View solution. 11. okokjolie okokjolie 03/14/2018 Biology Middle School True or False? Write T for the True and F for the False statements. b) True. Correct the false statements. False iv. To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell. (d) An electric bell has an electromagnet. Q1) True or false. c) False. Answer: No. [T/F] Ans. View solution. Mark True if the statement is true and False if it is false: An electric bell has an electromagnet. Click here to get an answer to your question ️ True or False? false 2. [T/F] (c) An electromagnet does not aatract a piece of iron. False. d) True. When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks. False, since CFLs consume less electricity than electric bulb. Learn with content. 10. Write True Or False for a Given Statement. (T/F) Solution: a) False. 1. An electric circuit must have an opening for the electricity to enter through. 2 See answers SugarBoi SugarBoi True. (b) When the electric current through the fuse exceeds a certain limit , the fuse wire melts and breaks. 3. Access Answers to NCERT Exemplar for Class 7 Science Chapter 14- Electric Current and Its Effects Multiple Choice Questions. Visible light is a slightly strong electromagnetic wavelength. (False) Explanation: - A current carrying coil of an insulated wire wrapped around a piece of iron is called an electromagnet. (a) F (b) T (c) F (d) T. Q.10. It behaves as a magnet when current passes through it which results in attracting the piece of iron. True/False i. An electromagnet is created when electric current flows through a compass needle. in an Electromagnet, the Core is Made up of Copper. [T/F] (d) An electric bell has an electromagnet. 4. True or false. Solution: No, because plastic does not have magnetic property to get attracted to a magnet hence magnet cannot be used to separate plastic bags. Make now. True or false. 14.3 – Magnetic Effect of Electric Current. (d) An electric bell has an electromagnet. An electromagnet does not attract a piece of iron. False, an electric fuse is used to prevent an electrical circuit from overloading and hence short circuit. True; False, as the element of an electric bulb is made of tungsten. True; True; False, a car battery is a combination of cells. Explain. 14.5 – Electric Bell. Create custom Assignments. The electric bell consists of a _____ wound on an _____. (c) An electromagnet does not attract a piece of iron. An electromagnet is based on the heating effect of electric current. 14.4 – Electromagnet. True iii. False. 1. A current carrying conductor can deflect a magnetic compass. Explain. The strength of an electromagnet does not depend on the number of turns of the wire around the core. False ii. This is because electromagnets can only attract magnetic materials. Do you think an electromagnet can be used for separating plastic bags from a garbage heap? An electric bell has an electromagnet. Visible light is a kind of electromagnetic wave.
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