electrical signals
Current carrying information
Electrical signals are variations in voltage or current that carry information through wires, circuits, or nervous systems.
In electronics, they transmit data between components: The microphone converts sound waves into electrical signals.
In biology, neurons communicate through electrical signals that travel along nerve fibers.
The term emphasizes the signal's nature rather than its content—distinguishing it from optical, chemical, or mechanical means of transmission.
- telecommunicationsRemote signal transmission technology
- radio wavesLow-frequency electromagnetic radiation
- radio frequencyBroadcast spectrum wavelengths
- morse codeDot-dash alphabet system
- voltageElectrical potential difference
oscilloscope · data transmission · current · bioelectricity · heart monitor · frequency · brain waves · waveform · fiber optics · circuit board · power surge · live wire · impedance · multimeter · radar systems · amplitude · coaxial cables · audio engineering
- animal signalsbody language, bird songs, tail wagging, mating calls, whale song
- signalssign, waved, nodded, gestured, blinked
- plant signalingauxin, ethylene, stress response
- cell signalingreceptor, ligand, receptors, kinase, downstream
- telegraphytelegraph, Morse code, telegraphy, telegraph key, telegraph line
electrical signalssound signals
Alerts conveyed through noise
chemical signals · radio signals · auditory signals · visual signals · smoke signals
electrical, signals, electric, electricity, electrician, electrify, electrification, electrified, electrically