This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Magnetic Effects Of Electric Current > 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 (37 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) Towards south. C) Towards north. D) Outwards. Show Answer Correct Answer: D) Outwards. 2. What is the primary function of the earth wire in domestic circuits? A) To prevent electric shocks. B) To measure current. C) To provide a path for current. D) To increase voltage. Show Answer Correct Answer: A) 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) Electricity. C) Earth. D) Magnets. Show Answer Correct Answer: B) 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) 60 cycles/sec. C) 50 cycles/sec. D) 0 cycles/sec. Show Answer Correct Answer: C) 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) Increases the current. C) Convert D.C. INTO A.C. D) Reverse the direction of Current. Show Answer Correct Answer: D) Reverse the direction of Current. 11. A device that reverses the direction of flow of current through a circuit is called a A) Commutator. B) An Armature. C) Rings. D) Brushes. Show Answer Correct Answer: B) An Armature. 12. Who was the first to observe the magnetic effect of electric current? A) Faraday. B) Oasted. C) Ampere. D) Time. Show Answer Correct Answer: B) Oasted. 13. A rotating device that converts electrical energy to mechanical energy is known as: A) Ammeter. B) Electric generator. C) Electric motor. D) Galvanometer. Show Answer Correct Answer: C) Electric motor. 14. Fleming's right-hand rule which of the following not correct A) The thumb will points in the direction of motion of conductor. B) Middle finger in the direction of current. C) Middle finger in the direction of induced current. D) Forefinger points in the direction of magnetic field. Show Answer Correct Answer: B) 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 rotation. B) Half rotation. C) One-fourth rotation. D) Doesn't change. Show Answer Correct Answer: B) Half rotation. 16. 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. 17. Magnetic feild is A) A imaganery quantity. B) Vector. C) Scalar. D) Both a and b. Show Answer Correct Answer: B) Vector. 18. 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. 19. 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) Dipole. C) South pole. D) No polarity. Show Answer Correct Answer: A) North pole. 20. What is the direction of magnetic field lines inside a solenoid? A) They do not have a specific direction. B) From North pole to South pole. C) They intersect each other. D) From South pole to North pole. Show Answer Correct Answer: D) From South pole to North pole. 21. The direction of magnetic field lines inside the magnet are: A) From South to South. B) From North to North. C) From North to south. D) From south to north. Show Answer Correct Answer: D) From south to north. 22. What happens to the magnetic field inside a solenoid when current flows through it? A) It becomes uniform. B) It disappears. C) It becomes weaker. D) It becomes irregular. Show Answer Correct Answer: A) It becomes uniform. 23. 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. 24. 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. 25. In a solenoid, the magnetism is temporary, true or false A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 26. Find the odd one out.Clue[Types of Magnets] A) Horseshoe Magnet. B) Bar Magnet. C) Magnetic Needle. D) Lodestone. Show Answer Correct Answer: D) Lodestone. 27. When is the force experienced by a current-carrying conductor placed in a magnetic field largest? A) When the current and magnetic field are parallel. B) When the current and magnetic field are perpendicular. C) When the conductor is stationary. D) When the current is zero. Show Answer Correct Answer: B) When the current and magnetic field are perpendicular. 28. Inside the magnet, the field lines moves A) Away from north pole. B) From south to north. C) Away from south pole. D) From north to south. Show Answer Correct Answer: B) From south to north. 29. Switches are connected to A) Any one. B) Live wire. C) Earth wire. D) Neutral wire. Show Answer Correct Answer: B) Live wire. 30. Which of the following statement is not correct about the magnetic field? A) Magnetic field lines form a continuous closed curve. B) Magnetic field line do not interest each other. C) Direction of tangent at any point on the magnetic field line curve gives the direction of magnetic field at that point. D) Outside the magnet, magnetic field lines go from South to North pole of the magnet. Show Answer Correct Answer: D) Outside the magnet, magnetic field lines go from South to North pole of the magnet. 31. What is meant by 5 A? A) A charge of 5 C flows through a point in 5 seconds. B) 5V electricity is causing 1 C of charge to flow. C) A charge of 5 C flows through a point in 1 second. D) 5 V electricity flows across 1 $\Omega$ of resistance. Show Answer Correct Answer: C) A charge of 5 C flows through a point in 1 second. 32. What is the direction of force on a current carrying conductor if the current is flowing parallel to the 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: C) Opposite to the direction of current. 33. A compass needle is A) Solenoid. B) Bar magnet. C) Horse shhoe magnet. D) Temprorary magnet. Show Answer Correct Answer: B) Bar magnet. 34. The most suitable material for making the core of an electromagnet is A) Soft iron. B) Steel. C) Brass. D) Aluminium. Show Answer Correct Answer: A) Soft iron. 35. AC stands for ..... A) Alternating Current. B) Attraction Connections. C) All the above. D) None of the above. Show Answer Correct Answer: A) Alternating Current. 36. The strength of the magnetic field produced by the current-carrying solenoid is A) Inversely proportional to the current flowing through the solenoid. B) Directly proportional to the current flowing through the solenoid. C) Perpendicular to the current flowing through the solenoid. D) Parallel to the current flowing through the solenoid. Show Answer Correct Answer: B) Directly proportional to the current flowing through the solenoid. 37. The current in the wire can be reversed. The pole of the magnet can also be changed over. In how many of the four direction shown can the force act on the wire A) 4. B) 1. C) 3. D) 2. Show Answer Correct Answer: D) 2. ← PreviousRelated QuizzesScience QuizzesClass 10 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 4 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books