This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 12 Electricity And Circuits – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 12 Electricity And Circuits Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which material is used for making the filaments of electric bulbs? A) Wood. B) Plastics. C) Copper. D) Tungsten. Show Answer Correct Answer: D) Tungsten. 2. What are the two terminals of a cell called? A) Positive and negative. B) Upper and lower. C) Black and white. D) None of the above. Show Answer Correct Answer: A) Positive and negative. 3. A material which does not allow the electricity to pass through it is ..... A) Conductor. B) Electric cell. C) Insulator. D) None of these. Show Answer Correct Answer: C) Insulator. 4. What is an electric current? A) The flow of electricity. B) Electricity moving in only one direction. C) A switch that gives power. D) None of the above. Show Answer Correct Answer: A) The flow of electricity. 5. ..... is an electric device which easily closes or opens an electric circuit. A) Filament. B) Electric bulb. C) Electric switch. D) Electric cell. Show Answer Correct Answer: C) Electric switch. 6. A dry cell is also known as ..... A) Car batteries. B) Secondary cell. C) Primary cell. D) None of the above. Show Answer Correct Answer: C) Primary cell. 7. A open circuit = Current flows A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 8. Filament is made up of ..... A) Iron. B) Tin. C) Tungsten. D) None of the above. Show Answer Correct Answer: C) Tungsten. 9. Which of the following statement is incorrect? A) A dry cell produces a small amount of electrical energy. B) All dry cells are rechargeable. C) A dry cell is used in TV remotes. D) There are two terminals in a battery. Show Answer Correct Answer: B) All dry cells are rechargeable. 10. The bulb glows only when there is a flow of ..... A) Electricity. B) Liquid. C) Gases. D) None of the above. Show Answer Correct Answer: A) Electricity. 11. Who discovered electricity? A) Benjamin Harrison. B) Philo Farnsworth. C) Benjamin Franklin. D) None of the above. Show Answer Correct Answer: C) Benjamin Franklin. 12. When the filament of a bulb is broken, the bulb- A) Partially glows. B) Doesn't glow. C) Glows properly. D) Glows for some time. Show Answer Correct Answer: B) Doesn't glow. 13. The filament is made up of ..... that is supported by ..... thick wires A) Tungsdten, 4. B) Tungsten, 3. C) Tungsten, 2. D) Iron, copper. Show Answer Correct Answer: C) Tungsten, 2. 14. Which one is NOT an insulator. A) Plastic. B) Rubber. C) Paper. D) Water. Show Answer Correct Answer: D) Water. 15. Matter is made up of tiny particles called ..... A) Protons. B) Electrons. C) Nucleus. D) Atoms. Show Answer Correct Answer: D) Atoms. 16. What do not allow electric currents to pass through them? A) I don't know. B) Insulators. C) Filament. D) Conduturs. E) Insulaters. Show Answer Correct Answer: B) Insulators. 17. An electric bulb has ..... terminals. A) 3. B) 4. C) 1. D) 2. Show Answer Correct Answer: D) 2. 18. Why tungsten is used for making bulb filaments? A) Because tungsten has a high melting point and can withstand high temperatures. B) Because it is lightweight. C) Because it is weak. D) None of the above. Show Answer Correct Answer: A) Because tungsten has a high melting point and can withstand high temperatures. 19. Which of the following is a conductor A) Paper. B) Cotton. C) Plastic. D) Iron rod. Show Answer Correct Answer: D) Iron rod. 20. What is the thing that glows inside he bulb? A) Wire. B) Filament. C) String. D) None of the following. Show Answer Correct Answer: B) Filament. 21. What is a fuse? A) A safety device in the circuit. B) The part which lights up in a bulb when the bulb is switched on. C) The negative terminal of an electric cell. D) The positive terminal of a bulb. Show Answer Correct Answer: A) A safety device in the circuit. 22. The electric cell which we use in alarm clocks, torches etc is called a ..... Ans. A) Primary cell. B) Dry cell. C) Secondary cell. D) Lead acid accumulator. Show Answer Correct Answer: B) Dry cell. 23. Electric energy is produced from the ..... within the cell. A) Chemicals. B) Metals. C) Terminals. D) None of these. Show Answer Correct Answer: A) Chemicals. 24. Fill in the blackMaterials which allow electric current to pass through them are of electricity A) Conductors. B) Driving. C) Filament. D) Bus. Show Answer Correct Answer: A) Conductors. 25. A/An ..... is a material that electricity CANNOT pass through easily. A) Conductor. B) Insulator. C) Wire. D) Switch. 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