Physics Practice: Magnetism (Mock Test 2 - Intermediate)
1. The space property that determines the strength of a magnet is called ________.
2. Magnetic field lines are ________ curves.
3. When a magnet is heated strongly, it ________ its magnetism.
4. The magnetic length of a bar magnet is approximately ________ of its geometric length.
5. Points in a magnetic field where the net magnetic field is zero are called ________.
6. A vertical plane passing through the magnetic axis of a freely suspended magnet is the ________.
7. Which of the following is most suitable for making the core of an electromagnet?
8. The Earth behaves as if it has a giant ________ magnet buried at its center.
9. Magnetic field lines are ________ where the magnetic field is strong.
10. The property by which a magnetic material can retain its magnetism is called ________.
11. A magnetic compass is ________ by a nearby strong current-carrying wire.
12. At the magnetic equator, the angle of dip is ________.
13. Repulsion is the sure test of magnetism because attraction can also occur between a magnet and ________.
14. If a magnet is broken into many pieces, the number of North poles will be ________ the number of South poles.
15. Steel is used for permanent magnets because it has high ________.
16. The magnetic field of the Earth is similar to the field of a ________ magnet.
17. A substance which is strongly attracted by a magnet is called ________.
18. The line joining the North and South poles of a magnet is its ________.
19. Magnetic field lines ________ cross each other.
20. Magnetic keepers are made of ________.