# WAVES AND ELECTRICAL ENERGY

### 14 terms by 130pilots

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### wave

a disturbance that transfers energy from place to place

### energy

the ability to do work

### frequency

the number of waves that pass a certain point in a given amount of time; measured in Hertz (Hz) - 1 Hz is one wave per second

### wavelength

the distance between two corresponding parts of a wave (such as the distance from crest to crest or trough to trough)

### amplitude

the maximum distance that the particles of the medium carrying the wave move away from their rest positions. The greater the amplitude, the greater the energy in a wave.

### wave speed

how far the wave travels in a given length of time

### mechanical wave

waves that require a medium to travel through

### medium

the material that a wave travels through (air, water, etc)

### transverse wave

a wave that moves the medium at right angles to the direction in which the wave is traveling

### crest

the highest part of a transverse wave

### trough

the lowest part of a transverse wave

### longitudinal wave

a wave that moves the medium parallel to the direction in which the wave is traveling

### compression

the part of a longitudinal wave where the medium is pushed together

### rarefaction

the part of a longitudinal wave where the medium is spread apart

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