Physics Practice: Magnetism (Mock Test 5 - Ultimate Mastery)
1. The angle which the total magnetic field of the Earth makes with the horizontal is called the angle of ________.
2. When a North pole of a magnet is placed pointing towards the geographic South, the neutral points are located on the ________.
3. Which of the following materials is used for shielding sensitive instruments from magnetic fields?
4. The magnetic field lines around a straight current-carrying conductor are in the shape of ________.
5. A substance is called diamagnetic if it is ________ by a strong magnet.
6. Magnetic field strength is a ________ quantity.
7. The Curie temperature is the temperature above which a ferromagnetic material becomes ________.
8. The magnetic lines of force ________ from a point where the field is zero.
9. Which rule is used to find the direction of magnetic field lines around a current-carrying wire?
10. The magnetic field of a bar magnet is strongest at ________.
11. A temporary magnet made by passing current through a coil wound around a soft iron core is an ________.
12. The geographic axis of the Earth and its magnetic axis ________.
13. Magnetic lines of force are ________ near each other where the field is uniform.
14. To protect a watch from magnetic influence, its case should be made of ________.
15. The angle of dip at the magnetic poles is ________ and at the magnetic equator is ________.
16. Which part of the Earth's magnetic field is used to neutralize the field of a magnet to find neutral points?
17. A solenoid acts as a magnet only when ________ flows through it.
18. The pole of a magnet which points towards the geographic North is called the ________.
19. Magnetic field lines ________ cross each other.
20. The magnetic field produced by a current-carrying circular loop is ________ at its center.