Tech. English Electronic Advance

A solid-state component that can amplify electrical signals or act as a switch in a circuit.

• Capacitor

• Diode

• Transistor

• Inductor

An emergency device on aircraft that uses airflow to generate power when other systems fail.

• APU

• RAT

• TRU

• PTU

A modular strip where wires are securely connected and organized in an electrical circuit.

• Terminal block

• Circuit breaker

• Fuse

• Wiring panel

A navigation system used in military aviation that combines distance and directional info.

• TACAN

• VOR

• Radar system

• VHF

A device that converts AC to DC for use in aircraft power systems.

• PTU

• Transformer

• TRU

• Generator

A safety component that melts to break the circuit when the current exceeds a safe level.

• Diode

• Circuit breaker

• Fuse

• Resistor

A resettable protective device that stops the flow of electricity in overload conditions.

• Circuit breaker

• Battery cell

• Inductor

• Switch

The invisible force surrounding a magnet or current-carrying wire.

• Electromagnet

• Magnetic field

• Static charge

• Ohmic resistance

A tool used to measure the flow of current in a circuit.

• Voltmeter

• Ammeter

• Ohmmeter

• Multimeter

A radio frequency band typically used in military communications.

• VOR

• VHF

• UHF

• Radar