This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 13 Magnetic Effects Of Electric Current – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the pattern of magnetic field lines at the center of a current carrying solenoid: A) Concentric rings. B) Straight lines. C) Curved lines. D) Radial lines. Show Answer Correct Answer: B) Straight lines. 2. Which are the characteristics of fuse element? A) High conductivity. B) Low melting point. C) Do not burn due to oxidation. D) All of the above. Show Answer Correct Answer: B) Low melting point. 3. The direction of force acting on a current carrying conductor kept in a magnetic field is given by A) Fleming's right hand rule. B) Fleming's left hand rule. C) Clock face rule. D) Right hand thumb rule. Show Answer Correct Answer: B) Fleming's left hand rule. 4. Which rule is used to determine the direction of magnetic field of a straight current carrying wire? A) Fleming's left hand rule. B) Fleming's right hand rule. C) Maxwell's left hand thumb rule. D) Maxwell's right hand thumb rule. Show Answer Correct Answer: D) Maxwell's right hand thumb rule. 5. A soft iron bar is introduced inside a current carrying solenoid. The magnetic field inside the solenoid A) Will become zero. B) Will increase. C) Will decrease. D) Will remain unaffected. Show Answer Correct Answer: B) Will increase. 6. Magnetic field is maximum: A) At Two Poles. B) At one pole. C) At The center of the magnet. D) Outside the magnet. Show Answer Correct Answer: A) At Two Poles. 7. An electromagnet can be made with a coil of wire around a nail if A) The wire is magnetized by a compass. B) The wire has a current running through it. C) The wire is touching 2 magnet. D) The nail is touching a battery on the anode. Show Answer Correct Answer: B) The wire has a current running through it. 8. For what gadgets earth wire is used A) High voltage gadgets. B) Low voltage gadgets. C) Gadgets which are important and cosltylike ac, fridge. D) Gadgets with mettalic body. Show Answer Correct Answer: D) Gadgets with mettalic body. 9. North pole of a magnetic is otherwise known as A) North south pole. B) North seeking pole. C) Both a and b. D) None of the above. Show Answer Correct Answer: B) North seeking pole. 10. A bar magnet is placed in the north south direction with its north pole towards north. In which direction from the center of the magnet will the points of zero magnetic field lie? A) North and south. B) North east and south west. C) East and west. D) North west and south west. Show Answer Correct Answer: D) North west and south west. 11. Which of the following property of a Proton can change while it moves freely in a magnetic field A) Mass. B) Speed. C) Both 1 and 2. D) Velocity. Show Answer Correct Answer: D) Velocity. 12. Strength of solonoid is more at the centre A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. The nature of magnetic field line passing through the centre of current carrying circular loop is A) Circular. B) Ellipse. C) Parabolic. D) Straight line. Show Answer Correct Answer: A) Circular. 14. When current flows clockwise in a loop the polarity of its face is A) East. B) South. C) West. D) North. Show Answer Correct Answer: B) South. 15. The magnetic field lines are ..... A) Curves. B) Closed loops. C) Lines. D) None of the above. Show Answer Correct Answer: B) Closed loops. 16. What does the thumb indicate in flemings left hand rule? A) Force. B) Motion. C) Current. D) Magnetic field direction. Show Answer Correct Answer: A) Force. 17. What is the principle of working of loudspeaker? A) Electromagnetic induction. B) Motor principle. C) Joules law. D) Ohms law. Show Answer Correct Answer: B) Motor principle. 18. The best material to make permanent magnets is A) Aluminium. B) Soft iron. C) Copper. D) Alnico. Show Answer Correct Answer: D) Alnico. 19. The most important safety method used for protecting home appliances from short circuiting or overloading is A) Earthing. B) Use of fuse. C) Use of stabilizers. D) Use of electric meter. Show Answer Correct Answer: A) Earthing. 20. The device which is used to detect current is called a: A) Galvanometer. B) Ammeter. C) Motor. D) Generator. Show Answer Correct Answer: A) Galvanometer. 21. A constant current flows in a horizontal wire in the plane of the paper from east to west as shown in Figure 13.5. The direction of magnetic field at a point will be North to South A) Directly above the wire. B) Directly below the wire. C) At a point located in the plane of the paper, on the north side of the wire. D) At a point located in the plane of the paper, on the south side of the wire. Show Answer Correct Answer: A) Directly above the wire. 22. An electric generator actually acts as A) A source of electric charge. B) A source of neat energy. C) An electromagnet. D) A converter of energy. Show Answer Correct Answer: D) A converter of energy. 23. Which of the following is not a property of magnentic lines of force A) The lines along which the iron filings align themselves represent magnetic field lines. B) Magnetic field is quantity that has both direction and magnitude. C) The strength of the magnetic field is weaker at the pole. D) The magnetic field lines are closed curves. Show Answer Correct Answer: C) The strength of the magnetic field is weaker at the pole. 24. The unit of magnetic field strength is- A) Faraday. B) Oersted. C) Pascal. D) Newton. Show Answer Correct Answer: B) Oersted. 25. The magnetic field lines determine A) The shape of the magnetic field. B) Only the direction of the magnetic field. C) Only the relative strength of the magnetic field. D) Both 2 and 3. Show Answer Correct Answer: D) Both 2 and 3. ← PreviousNext →Related QuizzesClass 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 1Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 2Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 4Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 5Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 6Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 7Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 8Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 9Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 10Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books