Physics Practice: Magnetism (Mock Test 1 - Basic)
1. A natural magnet is an ore of iron called ________.
2. The points near the ends of a magnet where the attractive power is maximum are called ________.
3. Like magnetic poles ________ each other, while unlike poles ________ each other.
4. A freely suspended magnet always points in the ________ direction.
5. The region around a magnet where its influence can be felt is known as the ________.
6. Magnetic field lines start from the ________ pole and end at the ________ pole outside the magnet.
7. Which of the following is a non-magnetic substance?
8. The sure test for magnetism is ________.
9. Temporary magnets are usually made of ________.
10. Permanent magnets are preferably made of ________ because it has high retentivity.
11. A magnetic ________ is used by sailors to find directions at sea.
12. The angle between the magnetic meridian and the geographic meridian is called ________.
13. At the magnetic poles of the Earth, the angle of dip is ________.
14. Magnetic field lines ________ intersect each other.
15. To prevent magnets from losing their magnetism, they are stored using ________.
16. When a magnet is broken into two pieces, each piece ________.
17. An electromagnet is a ________ magnet.
18. The method of making a magnet by stroking a steel bar with a permanent magnet is called ________.
19. If a magnetic material is kept near a magnet, it becomes a magnet due to ________.
20. Earth's magnetic North pole is near the geographic ________ pole.