This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 13 Magnetic Effects Of Electric Current – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a solenoid? A) A type of electric fuse. B) A device to measure current. C) A coil of wire that produces a magnetic field. D) A type of magnet. Show Answer Correct Answer: C) A coil of wire that produces a magnetic field. 2. Fleming right hand rule gives the direction of: A) Force. B) Current. C) Induced current. D) Magnetic field. Show Answer Correct Answer: C) Induced current. 3. What is the unit of magnetic field strength named after Hans Christian Oersted? A) Ampere. B) Tesla. C) Volt. D) Oasted. Show Answer Correct Answer: D) Oasted. 4. Which of the following increases the turning speed of a simple D.C. motor?(i) An increase in the number of turns of the coil(ii) An increase in the input of D.C. voltage(iii) The inserting of a copper core in the coil A) Only (i) and (ii). B) Only (i) and (iii). C) Only (ii) and (iii). D) (i), (ii) and (iii). Show Answer Correct Answer: A) Only (i) and (ii). 5. The magnetic field lines always begin from A) N-pole and end on S-pole. B) S-pole and end on N-pole. C) Start from the middle and end at N-pole. D) Start from the middle and end at S-pole. Show Answer Correct Answer: A) N-pole and end on S-pole. 6. Commercial electric motors do not use A) An electromagnet to rotate the armature. B) Effectively large number of turns of conducting wire in the current carrying coil. C) A permanent magnet to rotate the armature. D) A soft iron core on which the coil is wound. Show Answer Correct Answer: C) A permanent magnet to rotate the armature. 7. Material of the core of a strong magnet is A) Aluminium. B) Soft iron. C) Copper. D) Steel. Show Answer Correct Answer: B) Soft iron. 8. Magnetic field lines will- A) Cut each other. B) Bisect each other. C) Never cut each other. D) Subtend right angle with respect to each other. Show Answer Correct Answer: C) Never cut each other. 9. Electric generator converts A) Electrical energy to mechanical energy. B) Electrical energy to light energy. C) Heat energy to electrical energy. D) Mechanical energy to electrical energy. Show Answer Correct Answer: D) Mechanical energy to electrical energy. 10. The direction of induced current is given by A) Fleming's left hand rule. B) Fleming's right hand rule. C) Right hand thumb rule. D) Left hand thumb rule. Show Answer Correct Answer: B) Fleming's right hand rule. 11. Imagine that you are sitting in a chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong magnetic field to your right side. What is the direction of magnetic field? A) To the right side. B) To the left side. C) Towards the front wall. D) Towards the back wall. Show Answer Correct Answer: A) To the right side. 12. According to right hand thumb rule, the fingers which are wrapping the current carrying conductor give you the direction of ..... A) Direction of current. B) Direction of magnetic field. C) None of these. D) None of the above. Show Answer Correct Answer: B) Direction of magnetic field. 13. What is wrong about an electromagnet? A) An electromagnet produces a strong magnetic field. B) Electromagnets can made of steel. C) Electromagnets can be easily demagnetised. D) Electromagnets show temporary magnetism. Show Answer Correct Answer: B) Electromagnets can made of steel. 14. The pattern of the magnetic field produced by the straight current carrying conductor is A) In the direction opposite to the current. B) In the direction parallel to the wire. C) Circular around the wire. D) In the same direction of current. Show Answer Correct Answer: C) Circular around the wire. 15. The direction of force on a current carrying conductor in a magnetic field is given by A) Fleming's left-hand rule. B) Fleming's right-hand rule. C) Right hand thumb rule. D) Left hand thumb rule. Show Answer Correct Answer: A) Fleming's left-hand rule. 16. What are the two different standards of circuits used A) 20 and 15 A. B) 220Aand 110A. C) 15 AD 5 A. D) 240 ADE 220 A. Show Answer Correct Answer: C) 15 AD 5 A. 17. Which of the following factors affect the strength of force experience by a current carrying conductor in a uniform magnetic field? A) Magnetic field strength. B) Magnitude of current in a conductor. C) Length of the conductor within magnetic field. D) All of the above. Show Answer Correct Answer: D) All of the above. 18. Live wire has A) Red coloured insulation. B) Black coloured insulation. C) Green coloured insulation. D) Pink coloured insulation. Show Answer Correct Answer: A) Red coloured insulation. 19. The best material to make permanenet magnets is A) Copper. B) Soft iron. C) Aluminium. D) Alnico. Show Answer Correct Answer: D) Alnico. 20. Parallel and equidistant magnetic field lines represent A) Strength of magnetic field. B) The direction of magnetic field. C) A uniform magnetic field. D) Magnetic intensity. Show Answer Correct Answer: C) A uniform magnetic field. 21. Which of the following property of Proton can change while it moves freely in a magnetic field? A) Mass. B) Speed. C) Velocity & momentum. D) Momentum. Show Answer Correct Answer: C) Velocity & momentum. 22. If the direction of direction of electric current in a solenoid when viewed from a particular end is anticlockwise, then this end of solenoid will be A) West pole. B) South pole. C) East pole. D) North pole. Show Answer Correct Answer: D) North pole. 23. Do the filed lines cross each other? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 24. Name one factor that does not affect the size of a force in on a current-carrying conductor placed in a magnetic field? A) Gravity. B) Magnetic flux density/size of magnetic field. C) Size of the current. D) Length of the conductor. Show Answer Correct Answer: A) Gravity. 25. Which of the following correctly describes the magnetic field near a long straight wire? A) The field consists of concentric circles centred on the wire. B) The field consists of straight lines parallel to the wire. C) The field consists of straight lines perpendicular to the wire. D) The field consists of radial lines originating from the wire. Show Answer Correct Answer: C) The field consists of straight lines perpendicular to the wire. ← 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 3Class 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 10Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books