This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 13 Magnetic Effects Of Electric Current – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The area around a magnet in which its influence can be felt is called its A) Magnetic field. B) Magnetic strength. C) Magnetic power. D) Magnetic intensity. Show Answer Correct Answer: A) Magnetic field. 2. State whether the following statements are true or false. (a) The field at the centre of a long circular coil carrying current will be parallel straight lines. A) Cannot be determined. B) False. C) True. D) Partially true. Show Answer Correct Answer: B) False. 3. Which of the following components forms a difference between DC and AC generators? A) Magnet. B) Coil. C) Split ring. D) Carbon Brushes. Show Answer Correct Answer: C) Split ring. 4. The magnetic field inside a solenoid is A) Zero. B) Non-uniform. C) Uniform. D) None. Show Answer Correct Answer: C) Uniform. 5. What happens to a compass needle when it is brought near a bar magnet? A) It breaks. B) It gets deflected. C) It gets attracted to the magnet. D) It remains stationary. Show Answer Correct Answer: B) It gets deflected. 6. Why don't two magnetic field lines intersect each other? A) Because they are invisible. B) Because it would imply the magnetic field has two different directions at that point. C) Because they are always parallel. D) Because they repel each other. Show Answer Correct Answer: B) Because it would imply the magnetic field has two different directions at that point. 7. An electric fan rated 50 W operates 20 hours in a day. What is the cost of the energy to operate it for 30 days at Rs. 2 per kWh? A) Rs. 50. B) Rs. 60. C) Rs. 70. D) Rs. 80. Show Answer Correct Answer: B) Rs. 60. 8. A positive charge is moving towards a person. The direction of magnetic field lines will be in A) Clockwise direction. B) Anticlockwise direction. C) Vertically upward direction. D) Vertically downward direction. Show Answer Correct Answer: B) Anticlockwise direction. 9. According to right hand thumb rule the direction of magnetic field in a current carrying circular coil is denoted by A) Thumb. B) Middle finger. C) Curl finger. D) First finger. Show Answer Correct Answer: A) Thumb. 10. At which angle between the current carrying wire and the magnetic field is the force found to be highest? A) 0 degrees. B) 45 degrees. C) 180 degrees. D) 90 degrees. Show Answer Correct Answer: D) 90 degrees. 11. The magnet field adds up if A) Heat increases. B) Wire increases. C) Turn increases. D) All of the above. Show Answer Correct Answer: C) Turn increases. 12. What is the direction of the magnetic field at the top of a circular current carrying loop? A) Clockwise. B) Anti-clockwise. C) Parallel to the loop. D) Perpendicular to the loop. Show Answer Correct Answer: A) Clockwise. 13. What is the purpose of an electric fuse in a circuit? A) To increase the current. B) To enhance magnetic fields. C) To measure voltage. D) To prevent overloading. Show Answer Correct Answer: D) To prevent overloading. 14. The north-south polarities of an electromagnet can be found easily by using A) Fleming's right-hand rule. B) Fleming's left-hand rule. C) Clock face rule. D) Left-hand thumb rule. Show Answer Correct Answer: C) Clock face rule. 15. The strength of magnetic field around a current carrying conductor is A) Inversely proportional to the current but directly proportional to the square of the distance from wire. B) Directly proportional to the current and inversely proportional to the distance from wire. C) Directly proportional to the distance and inversely proportional to the current. D) Directly proportional to the current but inversely proportional to the square of the distance from wire. Show Answer Correct Answer: B) Directly proportional to the current and inversely proportional to the distance from wire. 16. Which of the following statements is true of Faraday's laws of electromagnetic induction? A) Whenever magnetic flux linked with a circuit changes, induced e.m.f is produced. B) The induced e.m.f lasts as long as the change in the magnetic flux continues. C) The magnitude of the induced e.m.f is directly proportional to the rate of change of the magnetic flux linked with the circuit. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. The relative strength of the magnetic field is shown by the degree of closeness of the field lines. A) False. B) True. C) Can't say. D) None of the above. Show Answer Correct Answer: B) True. 18. An electric generator converts A) Electrical energy into mechanical energy. B) Mechanical energyinto electrical energy. C) Electrical energy into chemical energy. D) None. Show Answer Correct Answer: B) Mechanical energyinto electrical energy. 19. In which property of magnet, a freely suspended magnet always points in a north-south direction? A) Directive Property. B) Attractive Property. C) Repulsive Property. D) Magnetic Field. Show Answer Correct Answer: A) Directive Property. 20. Fleming left hand rule gives the direction of: A) Magnetic field. B) Current. C) Induced Current. D) Motion (Force). Show Answer Correct Answer: D) Motion (Force). 21. A beam of electrons and protons move parallel to each other in the same direction, then they A) Repel each other. B) Neither attract nor repel. C) Attract each other. D) No relation. Show Answer Correct Answer: C) Attract each other. 22. An A C generator converts A) Electrical energy into mechanical energy. B) Mechanical energy into Electrical energy. C) Generates energy. D) None. Show Answer Correct Answer: B) Mechanical energy into Electrical energy. 23. Moving magnet inside a conducting coil can generate- A) Electric current. B) Potential difference. C) Deflection in galvanometer. D) All of the above. Show Answer Correct Answer: D) All of the above. 24. A:-Magnetic field produced our body is very weakR:-and it is about one Billionth of earth's magnetic field A) Both A and R are correct and R is correct explaination of A. B) Both A and R are correct but R is not correct explaination of A. C) A is true but R is false. D) Both A And R are false. Show Answer Correct Answer: B) Both A and R are correct but R is not correct explaination of A. 25. What is the principle behind an electric motor? A) Conversion of electrical energy to mechanical energy. B) Conversion of mechanical energy to electrical energy. C) Conversion of electrical energy to heat energy. D) Conversion of heat energy to electrical energy. Show Answer Correct Answer: A) Conversion of electrical energy to mechanical energy. ← PreviousNext →Related QuizzesClass 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 1Class 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 10Class 10 Science Chapter 13 Magnetic Effects Of Electric Current Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books