Across
- 2. The induction of a voltage in the same circuit where the current is changing.
- 4. intensity The measure of magnetic field strength at a point in space.
- 5. The process by which a changing current in one circuit induces a current in a nearby circuit.
- 6. A curve describing the behavior of magnetic materials when subjected to varying magnetic fields.
- 10. A flow of electric charge that produces a magnetic field.
- 11. Electric current that reverses direction periodically.
- 14. The state reached when an increase in applied magnetic field strength does not increase magnetization.
- 15. induction The process of generating an electric current in a conductor by changing the magnetic field around it.
- 17. A magnetic entity that has a north and a south pole, similar to a small bar magnet.
- 18. rule A method to determine the direction of magnetic field lines around a current-carrying conductor.
- 20. area The area of the section perpendicular to the length of a material.
- 22. spectrum The range of all types of electromagnetic radiation, including light, radio waves, and X-rays.
- 24. The opposition to magnetic flux in a material, analogous to electrical resistance in a conductor.
- 25. Substances that can be magnetized or are naturally magnetic, like iron, cobalt, and nickel.
- 26. The principle that a change in magnetic field within a closed loop induces an electromotive force.
- 27. The poles of magnets that are opposite, one north and one south, and attract each other.
- 28. The poles of magnets that are similar, either both north or both south, and tend to repel each other.
- 29. Current generated in a conductor by a changing magnetic field.
- 30. The total number of magnetic field lines passing through a given area.
Down
- 1. Electric current flowing in one direction only.
- 3. A small magnet used to detect the presence and direction of a magnetic field.
- 7. A type of magnet in which the magnetic field is produced by electric current.
- 8. experiment An experiment to visualize magnetic field lines by sprinkling iron filings around a magnet.
- 9. The space around a magnet within which magnetic force is exerted.
- 12. The attraction or repulsion that arises between electrically charged particles due to their motion.
- 13. A material that maintains a constant magnetic field without needing an external power source.
- 14. force The force that drives magnetic flux through a circuit.
- 16. Imaginary lines used to represent the strength and direction of a magnetic field.
- 19. A device that converts electrical energy into mechanical energy through magnetic effects.
- 21. A constant that describes how much magnetic field is generated per unit current in a medium.
- 23. thumb rule A technique for finding the direction of a magnetic field around a current-carrying wire.