Across
- 4. Electric potential difference expressed in volts.
- 5. The rate in which work is done or energy is transferred over time.
- 8. A basic law of electromagnetism that predicts how a magnetic field will interact with an electric circuit to produce and electromotive force.
- 10. A measure of the amount of electrical charge transferred.
- 12. A convex lens that causes a light beam to converge.
- 13. A concave lens that causes a light beam to spread.
- 16. The tendency of a material to resist the flow of electrical current.
- 17. The movement of electric charge that changes direction.
- 19. A device used to measure electric current.
- 20. A change in direction of waves as the change from different materials.
Down
- 1. The act of increasing or decreasing an object's size through a lens.
- 2. Common equation to solve circuits
- 3. The distance of a lens or mirror to its focal point.
- 6. A surface that has the same voltage everywhere, when the voltage at every point on the surface is compared to a location of zero electric potential.
- 7. The ability of a body to store electric charge.
- 9. A unit of matter that expresses the amount of protons and electrons.
- 11. A conducting material possesses a static charge and is brought into contact with an electrically neutral conductor.
- 14. A change in direction of waves as the pass through an opening.
- 15. Charge flows in a constant direction.
- 18. A change in direction of waves when they bounce off a surface.
- 21. Production of static charge is by rubbing two different materials together.