This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 13 Magnetic Effects Of Electric Current – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Magnetic field is from West to East. A stream of electrons is moving from South to North. In which direction will the electrons experience a force? A) Inwards. B) Outwards. C) Towards north. D) Towards south. Show Answer Correct Answer: B) Outwards. 2. What is the primary function of the earth wire in domestic circuits? A) To measure current. B) To increase voltage. C) To prevent electric shocks. D) To provide a path for current. Show Answer Correct Answer: C) To prevent electric shocks. 3. Name any to precaution A) Fuse and earth wire. B) Fuse and genrator. C) Earth wire and generator. D) All three. Show Answer Correct Answer: A) Fuse and earth wire. 4. Oersted showed that ..... andmagnetism were related phenomena. A) Gravitation. B) Magnets. C) Electricity. D) Earth. Show Answer Correct Answer: C) Electricity. 5. A strong bar magnet is placed vertically above a horizontal wooden board.The magnetic lines of force will be: A) Only in horizontal plane around the magnet. B) Only in vertical plane around the magnet. C) In both planes. D) In all the planes around the magnet. Show Answer Correct Answer: D) In all the planes around the magnet. 6. The frequency of AC means in India is A) 30 cycles/sec. B) 50 cycles/sec. C) 60 cycles/sec. D) 0 cycles/sec. Show Answer Correct Answer: B) 50 cycles/sec. 7. According to right hand thumb rule, the thumb shows A) Direction of current. B) Direction of magnetic field. C) Both a and b. D) None of the above. Show Answer Correct Answer: A) Direction of current. 8. A plotting compass is placed near the south pole of a bar magnet. The pointer of the compass: A) Point away from the south pole. B) Point parallel to the south pole. C) Point towards the south pole. D) Point at right angles to the south pole. Show Answer Correct Answer: C) Point towards the south pole. 9. A compass needle will always deflectwhen a metallic wire is placed nearby. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. What is the role of split rings in a electric moter A) Convert A.C. into D.C. B) Convert D.C. INTO A.C. C) Reverse the direction of Current. D) Increases the current. Show Answer Correct Answer: C) Reverse the direction of Current. 11. A device that reverses the direction of flow of current through a circuit is called a A) An Armature. B) Commutator. C) Rings. D) Brushes. Show Answer Correct Answer: A) An Armature. 12. Who was the first to observe the magnetic effect of electric current? A) Faraday. B) Oasted. C) Time. D) Ampere. Show Answer Correct Answer: B) Oasted. 13. A rotating device that converts electrical energy to mechanical energy is known as: A) Electric generator. B) Galvanometer. C) Electric motor. D) Ammeter. Show Answer Correct Answer: C) Electric motor. 14. Fleming's right-hand rule which of the following not correct A) Forefinger points in the direction of magnetic field. B) Middle finger in the direction of induced current. C) Middle finger in the direction of current. D) The thumb will points in the direction of motion of conductor. Show Answer Correct Answer: C) Middle finger in the direction of current. 15. In an electric motor, the direction of current in the coil changes once in each: A) One-fourth rotation. B) Half rotation. C) One rotation. D) Doesn't change. Show Answer Correct Answer: B) Half rotation. 16. Magnetic field produced around a straight conductor due to current in it is given by A) Fleming's right hand rule. B) Right hand thumb rule. C) Clock rule. D) Fleming's left hand rule. Show Answer Correct Answer: B) Right hand thumb rule. 17. Magnetic strength in more ..... of bar magnet A) In the middle part. B) Poles. C) All over the magnet. D) None of the above. Show Answer Correct Answer: B) Poles. 18. Magnetic feild is A) A imaganery quantity. B) Vector. C) Scalar. D) Both a and b. Show Answer Correct Answer: B) Vector. 19. What should be the core of an electromagnet? A) Soft iron. B) Hard iron. C) Rusted iron. D) None of above. Show Answer Correct Answer: A) Soft iron. 20. When looking at a circular current carrying loop, if the current is in the anticlockwise direction, then what is the polarity of the loop facing you? A) North pole. B) South pole. C) Dipole. D) No polarity. Show Answer Correct Answer: A) North pole. 21. What is the direction of magnetic field lines inside a solenoid? 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: B) From South pole to North pole. 22. The direction of magnetic field lines inside the magnet are: A) From North to south. B) From south to north. C) From North to North. D) From South to South. Show Answer Correct Answer: B) From south to north. 23. What happens to the magnetic field inside a solenoid when current flows through it? A) It becomes irregular. B) It disappears. C) It becomes uniform. D) It becomes weaker. Show Answer Correct Answer: C) It becomes uniform. 24. Draw magnetic field lines around a bar magnet. A) Draw magnetic field lines from the east pole to the west pole. B) Draw magnetic field lines from the north pole to the south pole in a continuous loop. C) Draw magnetic field lines in a zigzag pattern around the magnet. D) Draw magnetic field lines that start and end at the same pole. Show Answer Correct Answer: B) Draw magnetic field lines from the north pole to the south pole in a continuous loop. 25. What is a magnet? A) An object that attracts objects made of iron, cobalt, and nickel. B) An object that repels objects made of iron, cobalt, and nickel. C) An object that attracts objects made of copper, silver, and gold. D) An object that repels objects made of copper, silver, and gold. Show Answer Correct Answer: A) An object that attracts objects made of iron, cobalt, and nickel. ← 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 9Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books