Across
- 3. A two-terminal device which can maintain a fixed voltage
- 6. An object or type of material that allows the flow of an electrical current in one or more directions
- 9. A vector field in which the physical quantity is the electric force per unit charge.
- 10. A substance that makes possible the transfer of energy from one location to another, especially through waves.
- 11. A unit of measure of the rate of electron flow or current in an electrical conductor.
- 12. An electric current which periodically reverses direction.
- 14. The derived unit for electrical potential, electrical potential difference (voltage) and electromotive force.
- 16. A phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials.
- 19. The apparent change in frequency caused by either the source of the waves moving, the observer moving, or both moving at different velocities.
- 20. A neutral, subatomic particle that can be found in the nucleus of nearly every atom.
- 22. is a disturbance (or oscillation) in a medium that is accompanied by a transfer of energy.
- 24. (Hz) is a unit of frequency, defined as the number of complete cycles of a periodic signal that take place in one second.
- 26. The maximum extent of a vibration or oscillation, measured from the position of equilibrium.
- 27. is the point on a wave with the maximum value or upward displacement within a cycle.
- 29. 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.
- 30. A characteristic of a unit of matter that expresses the extent to which it has more or fewer electrons than protons.
Down
- 1. is a region in a longitudinal wave where the particles are closest together.
- 2. A material that is neither a good conductor of electricity nor a good insulator, but has properties of electrical conductivity somewhere between the two.
- 4. in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms.
- 5. In physics, the number of crests of a wave that move past a given point in a given unit of time.
- 7. The range of wavelengths or frequencies over which electromagnetic radiation extends.
- 8. (denoted by 'T' ) is the time needed for one complete cycle of vibration to pass a given point.
- 13. Any substance that has an absence of any electrical conduction
- 15. The emission and propagation of energy in the form of rays or waves. The energy radiated or transmitted in the form of rays, waves, or particles.
- 17. A form of mechanical wave where the oscillating particles in the medium move parallel to the direction of the wave.
- 18. A form of mechanical wave where the oscillating particles in the medium move perpendicular to the direction of the wave
- 21. The measurement of electrical resistance between two points of a conductor
- 23. The distance between successive similar points, such as crests, of a wave.
- 25. The electrical potential difference that produces electric current between two points in a circuit.
- 28. A passive electronic component that stores energy in the form of an electrostatic field.