electromagnetic field
Invisible force surroundings
An electromagnetic field is a region of space where electric and magnetic forces interact, produced by electrically charged particles.
Light, radio waves, and X-rays are all electromagnetic fields of different frequencies.
The term often appears in discussions of radiation exposure: concerns about electromagnetic fields from power lines, the electromagnetic field generated by a cell phone.
Low-frequency electromagnetic radiation
- microwavesElectromagnetic waves for cooking
- infraredHeat-bearing electromagnetic waves
- visible lightRadiation the eye detects
- ultravioletWavelengths shorter than violet
gamma rays · wavelength · frequency · amplitude · propagation · polarization · interference · diffraction
Scottish-origin given name
- FaradayElectromagnetism pioneer's surname
- LorentzElectromagnetic theory developer
- TeslaEV manufacturer and surname
- electrodynamicsStudy of charge interactions
electrostatics · permeability · permittivity · curl · divergence · Hertz
Untethered signal transmission
- shieldingProtecting from harm
- EMIDisruptive electrical signals
- antennaBroadcast signal receiver
- radarRadio-wave object detection
MRI · transformer · generator · inductor · capacitor · telecommunications · broadcasting · WiFi
Electrical potential difference
- currentDirected flow of charge
- circuitClosed electrical pathway
- conductorOne who directs musicians
- resistanceCapacity to withstand force
capacitance · inductance · impedance · charge · Coulomb · ampere · ohm · farad
Pull toward something
- repulsionDisgust or pushing-away force
- polarityState of opposing forces
- dipoleSeparated opposite charges
- ferromagnetismStrong atomic magnetic alignment
paramagnetism · diamagnetism · hysteresis · saturation · magnetization · compass · lodestone · solenoid
Measures limiting harmful exposure
- shieldingProtecting from harm
- SAREmergency location efforts
- power linesElevated electrical conductors
- precautionary principleProtect first, prove later
radio waves
Low-frequency electromagnetic radiation
- microwavesElectromagnetic waves for cooking
- infraredHeat-bearing electromagnetic waves
- visible lightRadiation the eye detects
ultraviolet · gamma rays · wavelength · frequency · amplitude · propagation · polarization · interference · diffraction · spectrum
Maxwell
Scottish-origin given name
- FaradayElectromagnetism pioneer's surname
- LorentzElectromagnetic theory developer
- TeslaEV manufacturer and surname
electrodynamics · electrostatics · permeability · permittivity · curl · divergence · Hertz
wireless
Untethered signal transmission
radar · MRI · transformer · generator · inductor · capacitor · telecommunications · broadcasting · WiFi · Bluetooth
voltage
Electrical potential difference
resistance · capacitance · inductance · impedance · charge · Coulomb · ampere · ohm · farad · henry
attraction
Pull toward something
- repulsionDisgust or pushing-away force
- polarityState of opposing forces
- dipoleSeparated opposite charges
ferromagnetism · paramagnetism · diamagnetism · hysteresis · saturation · magnetization · compass · lodestone · solenoid · ferrite
radiation safety
Measures limiting harmful exposure
- shieldingProtecting from harm
- SAREmergency location efforts
- power linesElevated electrical conductors
- electricitybattery, batteries, wire, wires, outlet
- Electricity HistoryMichael Faraday, Faraday, Benjamin Franklin, Franklin, Thomas Edison
- energy fieldsflux
- Quantum FieldsQED, quantum fields, propagator, propagators, self-energy
- electric motorsmotor, motors, rotor, alternator, stator
- Inductioninductance, inductor, induction coil, self-induction, induction heating
field, electric, magnet, electricity, magnetic, electronics, magnetism, electron, electrician