Across
- 2. a measure of the amount of electric charge in motion per unit time
- 7. the physical property of matter that causes charged matter to experience a force when placed in an electromagnetic field
- 10. a unit of electric resistance equal to the resistance of a circuit in which a potential difference of one volt produces a current of one ampere
- 12. materials that hinder the free flow of electrons from one particle of the element to another
- 13. The maximum distance a particle moves from its starting point in a wave
- 14. a quantitative expression of the potential difference in charge between two points in an electrical field
- 16. a wave vibrating at right angles to the direction of its propagation.
- 18. Top of a wave.
- 20. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign
- 21. the highest point above the rest position of a wave
- 23. the intervening substance through which impressions are conveyed to the senses or a force acts on objects at a distance.
- 24. the number of waves that pass a fixed point in unit time
- 25. a wave that needs a medium to travel
- 26. a wave that doesnt need a medium to travel
- 28. the process of removing the excess charge on an object by means of the transfer of electrons between it and another object of substantial size
- 29. the governing principle that is used to explain how electric generators
Down
- 1. a set of physical properties observed in certain materials where electrical resistance vanishes and magnetic flux fields are expelled
- 3. the physical field that surrounds electrically charged particles and exerts force on all other charged particles in
- 4. combination of two waves moving in opposite directions, each having the same amplitude and frequency
- 5. materials that hinder the free flow of electrons from one particle of the element to another
- 6. a two-terminal electrical device that can store energy in the form of an electric charge
- 8. a substance or material that allows electricity to flow through it.
- 9. the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water or any other liquid or solid matter) as it propagates away from the source of the sound.
- 11. the study of stationary electric charges or fields as opposed to electric currents.
- 15. a wave vibrating in the direction of propagation.
- 17. an oscillation of the parts of a fluid or an elastic solid whose equilibrium has been disturbed, or of an electromagnetic wave.
- 19. unit of electrical potential, potential difference and electromotive force in the meter–kilogram–second system
- 21. the time it takes for the vibrating object to make one cycle or oscillation and return to its original position in a wave
- 22. motion of a wave that is repeated in equal intervals of time.
- 27. bottom of a wave