This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 13 Magnetic Effects Of Electric Current – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It was accidentally discovered that a compass needle got deflected when magnetic field passed through a metallic wire placed nearby. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. The magnetic field lines inside the current-carrying solenoid are A) Circles. B) Spirals. C) Parallel to the axis of solenoid. D) Perpendicular to the axis of solenoid. Show Answer Correct Answer: C) Parallel to the axis of solenoid. 3. The force is maximum when diection of current is at ..... to the direction of magnetic field A) Parallel. B) Perpendicular. C) 180 degree. D) Same direction. Show Answer Correct Answer: B) Perpendicular. 4. A charge + Qis moving upwards vertically. It enters a magnetic field directed to the north. The force on the charge will be towards A) North. B) West. C) East. D) South. Show Answer Correct Answer: B) West. 5. How does the magnetic field change as you move along the length inside a long solenoid carrying current? A) Increases. B) Decreases. C) Remains the same. D) Slightly increases. Show Answer Correct Answer: C) Remains the same. 6. A magnetic field directed in north direction acts on an electron moving in east direction. The magnetic force on the electron will act A) Vertically upwards. B) Towards east. C) Vertically downwards. D) Towards north. Show Answer Correct Answer: C) Vertically downwards. 7. The ends of compass needle point approximately towards ..... and ..... directions A) North, south. B) East, west. C) North, west. D) None of the above. Show Answer Correct Answer: A) North, south. 8. The direction of magnetic field developed around a current-carrying conductor can be easily found by the use of A) Right hand thumb rule. B) Left hand thumb rule. C) Fleming's left hand rule. D) Fleming's right hand rule. Show Answer Correct Answer: A) Right hand thumb rule. 9. Hans Christian Oersted, one of the leading scientists of the 19th century, played a crucial role in understanding A) Magnetism. B) Electricity. C) Electromagnetism. D) None. Show Answer Correct Answer: C) Electromagnetism. 10. Which rule states the relationship between the direction of current and the direction of magnetic field A) Right Hand Thumb Rule. B) Fleming's Right hand thumb rule. C) Fleming's left hand thumb rule. D) Amperes swimming rule. Show Answer Correct Answer: A) Right Hand Thumb Rule. 11. What is the direction of magnetic field lines outside a magnet? A) From North pole to South pole. B) From South pole to North pole. C) They do not have a specific direction. D) They intersect each other. Show Answer Correct Answer: A) From North pole to South pole. 12. A charged particle moving in a magnetic field experiences a resultant force A) In the direction perpendicular to both the field and its velocity. B) In the direction opposite to that field. C) In the direction of field. D) None of these. Show Answer Correct Answer: A) In the direction perpendicular to both the field and its velocity. 13. What is the effect of reversing the direction of current in a wire on the magnetic field? A) The magnetic field disappears. B) The magnetic field remains unchanged. C) The direction of the magnetic field reverses. D) The strength of the magnetic field increases. Show Answer Correct Answer: C) The direction of the magnetic field reverses. 14. Which one is not a devices that use current-carrying conductor and magnetic fields A) Electric motor,. B) Electric generator,. C) Loudspeakers,. D) Electric Heater. Show Answer Correct Answer: D) Electric Heater. 15. By which instrument, the presence of magnetic field be determined A) Magnetic needle. B) Diameter. C) Galvanometer. D) Voltmeter. Show Answer Correct Answer: A) Magnetic needle. 16. What do the lines of a magnetic field represent? A) The direction of magnetic force. B) The flow of electrons. C) The path of electric current. D) The strength of the electric field. Show Answer Correct Answer: A) The direction of magnetic force. 17. Electric motor converts A) Mechanical energy to electrical energy. B) Heat energy to electrical energy. C) Electrical energy to mechanical energy. D) Electrical energy to light energy. Show Answer Correct Answer: C) Electrical energy to mechanical energy. 18. A freely suspended bar magnet always rest in N-S direction A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. The direction of force o the conductor depends on the A) Direction of current and diection of magnetic field. B) Dirction of field and amount of current. C) Heat and direction of current. D) Heat and direction of magnetis field. Show Answer Correct Answer: A) Direction of current and diection of magnetic field. 20. Inside the magnet, the direction of field lines is from its A) North to south. B) South to north. C) Mag. field do not move inside a magnet. D) None. Show Answer Correct Answer: B) South to north. 21. Which device produces the electric current? A) Generator. B) Galvanometer. C) Ammeter. D) Motor. Show Answer Correct Answer: A) Generator. 22. The magnetic field lines: A) Intersect at 90$^{0}$ to each other. B) Intersect at 45$^{0 }$to each other. C) Do not cross one another. D) Cross at 60$^{0}$ to each other. Show Answer Correct Answer: C) Do not cross one another. 23. If the magnetic field produced by one turn of a coil is 12T, what is the magnetic field produced when there are 6 turns? A) 2 T. B) 72 T. C) 6 T. D) 12 T. Show Answer Correct Answer: B) 72 T. 24. Why does a compass needle get deflected when brought near a bar magnet? A) The compass needle gets deflected due to gravity. B) The compass needle gets deflected due to static electricity. C) The compass needle gets deflected due to temperature changes. D) The compass needle gets deflected when brought near a bar magnet due to the interaction between the magnetic fields. Show Answer Correct Answer: D) The compass needle gets deflected when brought near a bar magnet due to the interaction between the magnetic fields. 25. Closure the field lines ..... the magnetic strength A) Weaker. B) Stronger. C) Lower. D) None of the above. Show Answer Correct Answer: B) Stronger. ← 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 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