A unit of measure of the rate of current flow.

The continuous flow through a component or an entire circuit.

6.25 x 1024 electrons

A flow of electric charge.

Current that does not reverse its direction of flow.

Electrons flow from a negative point to a positive point.

An instrument for measuring the properties of an electrical circuit.

The opposition of current flow.

An accumulation of electric charge on an insulated body.

The force behind the movement of electrons.

The unit of measure of electrical resistance.

A unit for measuring voltage.

The positively charged structure within a voltaic cell.

A device used to convert chemical energy into electric energy. A group of voltaic cells connected together in a series or parallel conection.

The negatively charged structure within a voltaic cell.

Permanent magnets, arranged outside the armature.

The rotating part of an electrical generator.

Strips or bars of metal insulated from each other and arranged around one end of an armature. Used to flip the flow of electricity, so positive becomes negative and negative becomes positive.

Magnet created by passing a current through a coil of wire.

device used to convert mechanical energy into electrical energy.

An object that is surrounded by a magnetic field and that has the property, either matural or induced, of attracting iron or steel.

A device used to convert electric energy into mechanical energy.

The smallest part of an element that contains all of the properties of that element.

The number of protons in the nucleus of an atom.

A device or material that permits current to flow through easily.

A negatively charged particle.

The simplest form of matter.

A material used to electrically isolate two conductive surfaces.

Anything that occupies space.

The smallest part of a compound that is made of individual atoms.

An uncharged atomic particle.

The center portion of an atom containing the protons and neutrons.

A positively charged atomic particle.

A material that is both a poor conductor and a poor insulator.

The outermost ring of electrons in an atom. Used to determine whether an element is an insulator, conductor, or semiconductor.

An electrical device used to store electrical charge.

A device that permits current to flow through it in only one direction.

Resistors that have a value that cannot be changed.

A diode that will produce light when current flows through it.

A device used to introduce some amount of resistance into a circuit.

A mechanical device used to connect or disconnect a component or circuit.

A resistor that changes its resistance with a change in temperature.

A small electronic device used in a circuit as an amplifier or switch.

A resistor whose value can be varied between its minimum and maximum values.

A logic circuit whose output is 1 when all outputs are 1.

A graphical representation of a system in which symbols are used to represent operations and lines and arrows represent relationships between components.

A device with multiple inputs and one output.

A logic gate, also known as NOT, that changes its input logic level to the opposite state.

An electronic system that performs a logical operation on an input signal.

A logic circuit whose output is 0 when all inputs are 1.

A logic circuit whose output is 0 when at least one input is 1.

A logic circuit whose output is 1 when at least one input is 1.

A table listing all possible inputs to a circuit and the corresponding outputs.

A logic circuit whose output is 1 when one input is 1, but not both.

A drawing that traces the path that electron flow will take in an electronic circuit.

A group of electronic components that work together to perform a specific function.

A circuit that contains more than one path for current flow.

A map of an electronic circuit. It uses symbols to represent electrical components along the pathway.

A circuit that contains only one path for current flow.

American Standard Code for Information Exchange. A 7-bit code for representing alphanumeric and control characters.

A base-2 number system that uses two digits, 1 and 0.

One single unit of a byte.

A binary number 8 bits long.

A base-10 number system that uses the digits 0-9.

A representation of a physical quantity by a series of binary numbers.