Electricity and magnetism
Across
- 3. Energy an object has due to its motion
- 5. Total kinetic and potential energy of an object
- 10. comprises a path along which the whole current flows through each component.
- 12. " like poles repel,and opposite poles attract"
- 13. magnetism can be turned off and on, poles are reversable, and is a major part of many appliances
- 15. any of a class of devices that convert electrical energy to mechanical energy,
- 16. neutrons ,protons, and electrons
- 17. flow of electric charge that goes back and foreword
- 19. attraction or repulsion that arises between electrically charged particles because of their motion or closeness
- 20. any material that attracts, or other materials that contain iron
- 21. flow of electric charge that does not change direction.
- 23. instrument for measuring a small electrical current
- 24. The ability to move an object over a distance
- 25. South end of the magnet
Down
- 1. stored up energy, due to the objects position
- 2. North end of the magnet
- 4. any movement of electric charge carriers, moving through an electrical conductor or space.
- 6. any machine that converts mechanical energy to electricity
- 7. one that has two or more electronic components
- 8. science of charge and of the forces and fields associated with charge.
- 9. region at each end of a magnet where the external magnetic field is strongest.
- 11. A devise that reverses the current through an electric motor
- 14. Is a coiled wire , when a current is going through it
- 18. controls the flow of the electrical current within a circuit.
- 22. Either steps up or steps down the voltage