Physics Practice: Magnetism (Mock Test 5 - Ultimate Comprehensive)
1. The property by which a magnet points in the North-South direction is called its ________ property.
2. Which of the following is a natural magnet?
3. Magnetic poles always exist in ________.
4. Like poles ________ each other, while unlike poles ________ each other.
5. The region around a magnet where its influence can be detected is the ________.
6. Soft iron is used to make ________ magnets.
7. Repulsion is the surest test of ________.
8. A device used by pilots and sailors to find direction is the ________.
9. Which of the following can demagnetize a magnet?
10. The magnetic strength of a bar magnet is maximum at its ________.
11. Magnetic induction ________ attraction.
12. Steel is used to make ________ magnets.
13. A magnetic field is represented by ________ lines.
14. The Earth's magnetic North pole is near the geographic ________ pole.
15. To store magnets safely, we use pieces of soft iron called ________.
16. An electromagnet's strength depends on the number of ________ in the coil.
17. Which of the following is a magnetic material?
18. The molecular theory of magnetism states that each molecule of a magnetic substance is a ________.
19. A horse-shoe magnet is designed to bring both poles ________.
20. The force of a magnet ________ as the distance from it increases.