Studied by 26 people
ammeter
a device used to measure electrical current.
ampere
standard unit of electric current
battery
A component that stores chemical energy to be used as a power source
circuit
A pathway for electricity to flow around
cicuit diagram
A representation of an electrical pathway
closed circuit
A complete pathway that allows electrical current to flow
component
Part of an electrical circuit e.g. battery
directly proportional
As one amount increases, another amount increases at the same rate
electrical current
The flow of electrons through a circuit
electron
A very small subatomic particle with negative charge
inversely proportional
As one amount increases, another amount decreases at the same rate
lamp
A component that produces light
multimeter
A device that can measure both resistance and voltage
negative terminal
The part of a battery that electrons flow out from
ohm
The standard unit of electrical resistance
ohms law
The relationship between current, voltage and resistance
open circuit
A broken pathway that does not allow electrical current to flow
positive terminal
The part of a battery that electrons flow towards
resistance
A material's opposition to the flow of electrical current
resistor
A component designed to lower the current passing through a circuit
switch
A component used to open or close a circuit
terminal
Part of a component where electrical current can leave or enter
volt
The standard unit of voltage
voltage
The amount of energy per charge
voltmeter
A device used to measure voltage
wire
component made of a flexible strand of conductive metal
visible spectrum
The range of light frequencies that we can see
transparent
Allowing nearly all light to pass through
transmission
The passing of light through a material
translucent
Allowing only some light to pass through
refraction
The bending of light as it passes into a new material
relfection
The bending of light as it bounces off a surface
prism
A transparent object with flat surfaces, which refract light
periodic motion
Movement that is repeated at regular intervals
period
The time it takes a wave to go through its full motion once
opaque
Not allowing light to pass through
Note 
Flashcard (53)