Across
- 2. Device stores electric energy in electric field
- 5. proportional relation of current and field
- 7. electric current flowing in one direction only
- 8. Number of waves in a unit of time
- 12. Function returning to same value as reg intervals
- 13. Energy coming from source and travels through space at speed of light
- 16. Base unit of electrical Current
- 20. rate at which electric charge passes through an area of wire
- 21. electric potential difference that produces electric current between two circuits
- 22. electrical conductivity value falling between a conductor and insulator
- 23. Spreading of waves around obstacles
- 24. Highest point above rest position
- 26. Time taken for vibrating to make a cycle and return to origin
- 27. Magnitude of a quantity per unit
- 29. Removing excess charge by transferring electrons between another object
- 30. Balanced inward force to different points of material
Down
- 1. property of no electrical resistance in substances at very low absolute temperatures
- 3. measure of opposition to current flow in an electrical circuit
- 4. Smallest packets of electromagnetic energy
- 6. Material that allows electric charge to move easily
- 9. Range of types of all radiation that travels in waves
- 10. Highest part of the wave
- 11. Two-terminal device which can maintain a fixed voltage
- 14. redirection of a wave as it passes from one medium to another
- 15. Vector field which physical quantity is electric charge per charge
- 17. Material which electrons can't move through easily
- 18. Unit of measurement of Frequency and equal to one second
- 19. Does not require a Medium
- 25. Total electric charge in isolated system that never changes
- 28. Caused by amount of amplitude of a Wave