This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 13 Magnetic Effects Of Electric Current – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Magnetic field produced by a current carrying wire at a given point depends directly on ..... A) Electricity. B) Electric current. C) Magnetism. D) Strength of magnetic field. Show Answer Correct Answer: B) Electric current. 2. Conductor made into the shape of a spring is called A) Spring conductor. B) Iron core. C) Solenoid. D) Temporary magnet. Show Answer Correct Answer: C) Solenoid. 3. The relative strength of magnetic field is show by A) Degree of closeness of field lines. B) Size of magnetic field. C) Amount of current flowing. D) Length of field lines. Show Answer Correct Answer: A) Degree of closeness of field lines. 4. A magnetic field exerts a force on a charged particle A) Always. B) Never. C) If particle is moving inclined to field lines. D) If the particle is moving along the field lines. Show Answer Correct Answer: C) If particle is moving inclined to field lines. 5. A magnet attracts: A) Plastic. B) Any metal. C) Aluminium. D) Iron and steel. Show Answer Correct Answer: D) Iron and steel. 6. Hans Christan Oersted, one of leading scientist of 19th century played a crucial role in understanding ..... A) Electric current. B) Magnetism. C) Electromagnetism. D) Electricmagnetism. Show Answer Correct Answer: C) Electromagnetism. 7. A deflection of a compass needle placed near a current carrying conductor will be observed if magnitude of current passing through the conductor is changed. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. Which of the following are the possible ways to increase the induced e.m.f. produced by a simple A.C. generator?(i) Increasing the rotating speed of the coils(ii) Placing a soft iron core in the coil(iii) Replacing the permanent magnets with another pair of magnets having stronger magnetic field strength A) Only (i) and (ii). B) Only (ii) and (iii). C) Only (i) and (iii). D) (i), (ii) and (iii). Show Answer Correct Answer: D) (i), (ii) and (iii). 9. Imagine that you are holding a current-carrying straightconductor in your right hand such that the thumb points towards the direction of magnetic field. Then your fingers will wrap around the conductor in the direction of the current.This is known as the right-hand thumb rule. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. Choose the incorrect statement from the following regarding magnetic lines of field A) The direction of magnetic field at a point is taken to be the direction in which the north pole of a magnetic compass needle points. B) Magnetic field lines are closed curves. C) If magnetic field lines are parallel and equidistant, they represent zero field strength. D) Relative strength of magnetic field is shown by the degree of closeness of the field lines. Show Answer Correct Answer: C) If magnetic field lines are parallel and equidistant, they represent zero field strength. 11. What is magnetic field? A) "The region surrounding a magnet, in which the force of the electrons can be detected,. B) "The region surrounding a magnet, in which the power of the magnet can be detected,. C) "The region surrounding a magnet, in which the force of the electricity can be detected,. D) "The region surrounding a magnet, in which the force of the magnet can be detected,. Show Answer Correct Answer: D) "The region surrounding a magnet, in which the force of the magnet can be detected,. 12. Like poles ..... , while unlike poles of magnets ..... each other. A) Like, attract. B) Attract, repel. C) Repel, attract. D) REPEL, REPEL. Show Answer Correct Answer: C) Repel, attract. 13. A current carrying wire is placed in a magnetic field. If the current in the wire is increased, the displacement of the wire will: A) Increase. B) Decrease. C) Remain the same. D) None of the above. Show Answer Correct Answer: A) Increase. 14. What is the instrument used to detect the presence of current in a circuit? A) Voltmeter. B) Ammeter. C) Manometer. D) Galvanometer. Show Answer Correct Answer: B) Ammeter. 15. What is the strength of the magnetic field at the center of a circular current carrying loop? A) Stronger than at the periphery. B) Weaker than at the periphery. C) Same as at the periphery. D) Zero. Show Answer Correct Answer: C) Same as at the periphery. 16. An electron moving towards the east enters a magnetic field directed towards the north. The force on the electron will be directed A) Vertically upward. B) Towards the west. C) Towards the south. D) Vertically downward. Show Answer Correct Answer: D) Vertically downward. 17. Fuse is connected in A) Live wire. B) Neutral wire. C) Earth wire. D) Any wire. Show Answer Correct Answer: A) Live wire. 18. Who discovered that a compass needle gets deflected when a current-carrying conductor is placed near it? A) Alexander Fleming. B) Hans Christian Oersted. C) Joule. D) Rutherford. Show Answer Correct Answer: B) Hans Christian Oersted. 19. Which of these acts like a bar magnet (a) A) Hose shoe magnet. B) Circular loop. C) Solenoid. D) Both b and c. Show Answer Correct Answer: C) Solenoid. 20. Who has stated the Right Hand Thumb Rule? A) Orested. B) Fleming. C) Maxwell. D) Einstein. Show Answer Correct Answer: C) Maxwell. 21. Straight conducter works based on the A) Fleming's left hand rule. B) Clock rule. C) Fleming's right hand rule. D) Right hand thumb rule. Show Answer Correct Answer: D) Right hand thumb rule. 22. Name two safety measures commonly used in electric circuits and appliances. A) Grounding and fuses. B) Resistance and conductance. C) Overloading and short circuits. D) Insulation and fuses. Show Answer Correct Answer: A) Grounding and fuses. 23. What happens to the magnetic field strength as you move away from a current-carrying wire? A) It fluctuates. B) It increases. C) It decreases. D) It remains constant. Show Answer Correct Answer: C) It decreases. 24. What is the direction of force on a current carrying conductor in a magnetic field? A) Parallel to the conductor. B) Perpendicular to the conductor. C) Opposite to the direction of current. D) In the same direction as the magnetic field. Show Answer Correct Answer: B) Perpendicular to the conductor. 25. Magnetic field lines in a bar Magnet are A) Interest each other. B) Closed curves. C) Originate from South pole. D) None of the above. Show Answer Correct Answer: B) Closed curves. ← 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 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