IB Design Technology Topic A3.4.6: Passive and Active Components Key Definitions

Components that control the flow of electricity and can amplify signals or switch currents, such as transistors and diodes.

An electronic component that stores and releases electrical energy by holding an electric charge between two conductive plates.

An electronic component that allows current to flow in only one direction, acting like a one-way valve in a circuit.

Components that do not control or amplify electrical signals, but instead store, resist, or transfer energy, such as resistors, capacitors, and inductors.

An electronic switch that is activated by a current or signal to open or close another circuit, allowing a low-power signal to control a high-power circuit.

An electronic component that limits or controls the flow of electric current in a circuit.

An electrical component that is used to connect or disconnect the flow of electricity in a circuit, allowing control over whether the circuit is on or off.

A semiconductor device with three connections that can regulate current or voltage and is commonly used for switching or amplifying signals in electronic circuits.