Electromagnetism
Electric charge, fields, circuits and magnetism.
Areas within Electromagnetism
Mechanics
Motion, forces, energy and physical systems.
157 wordsThermodynamics
Heat, energy transfer, work and entropy.
64 wordsElectromagnetism
Electric charge, fields, circuits and magnetism.
62 wordsQuantum physics
Matter and energy at atomic and subatomic scales.
44 wordsRelativity
Space, time, gravity and motion at extreme scales.
31 wordsOptics
Light, lenses, reflection, refraction and imaging.
40 wordsAcoustics
Sound, vibration, waves and hearing.
1 wordsAstrophysics
Specialist vocabulary classified under Physics.
169 wordsCondensed matter
Specialist vocabulary classified under Physics.
40 wordsFluid dynamics
Specialist vocabulary classified under Physics.
66 wordsNuclear physics
Specialist vocabulary classified under Physics.
36 wordsParticle physics
Specialist vocabulary classified under Physics.
72 wordsPhysical measurement
Specialist vocabulary classified under Physics.
31 wordsWaves acoustics
Specialist vocabulary classified under Physics.
34 words65 featured terms
The database can contain more terms than shown here; this page prioritises the strongest mappings.
a flow of electricity through a conductor; "the current was measured in amperes"
Electric currentnouna flow of electricity through a conductor; "the current was measured in amperes"
ACnounan electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"
Alternating currentnounan electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"
Alternating electric currentnounan electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"
Capacitancenounan electrical device characterized by its capacity to store an electric charge
Capacitornounan electrical device characterized by its capacity to store an electric charge
Chargenounthe quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons; "the batte…
Condensernounan electrical device characterized by its capacity to store an electric charge
DCnounan electric current that flows in one direction steadily
Direct currentnounan electric current that flows in one direction steadily
Direct electric currentnounan electric current that flows in one direction steadily
electric chargenounthe quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons; "the batte…
Electric fieldnouna field of force surrounding a charged particle
Electric potentialnounthe difference in electrical charge between two points in a circuit expressed in volts
Electrical condensernounan electrical device characterized by its capacity to store an electric charge
Electromotive forcenounthe rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts
Emfnounthe rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts
Fluxnounthe lines of force surrounding a permanent magnet or a moving charged particle
magnetic fieldnounthe lines of force surrounding a permanent magnet or a moving charged particle
Magnetic fluxnounthe lines of force surrounding a permanent magnet or a moving charged particle
Potentialnounthe difference in electrical charge between two points in a circuit expressed in volts
Potential differencenounthe difference in electrical charge between two points in a circuit expressed in volts
Potential dropnounthe difference in electrical charge between two points in a circuit expressed in volts
Voltagenounthe difference in electrical charge between two points in a circuit expressed in volts
Voltagenounthe rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts
electric chargenounA property that makes particles attract or repel electrically.
electromagnetic fieldnounThe region in which electric and magnetic forces act.
Inductancenounan electrical phenomenon whereby an electromotive force (EMF) is generated in a closed circuit by a change in the flow of current
Inductionnounan electrical phenomenon whereby an electromotive force (EMF) is generated in a closed circuit by a change in the flow of current
magnetic fieldnounThe region around a magnet or current where magnetic forces act.
Juicenounelectric current; "when the wiring was finished they turned on the juice"
Thermionic currentnounan electric current produced between two electrodes as a result of electrons emitted by thermionic emission
Bioelectric potentialnounthe electric potential that occurs in a living organism.
Bypass capacitornouna capacitor that provides low impedance over certain (high) frequencies
Bypass condensernouna capacitor that provides low impedance over certain (high) frequencies
Electrolyticnouna fixed capacitor consisting of two electrodes separated by an electrolyte
Electrolytic capacitornouna fixed capacitor consisting of two electrodes separated by an electrolyte
Electrolytic condensernouna fixed capacitor consisting of two electrodes separated by an electrolyte
Electrostatic chargenounthe electric charge at rest on the surface of an insulated body (which establishes and adjacent electrostatic field)
Electrostatic fieldnounelectric field associated with static electric charges
Evoked potentialnounthe electrical response of the central nervous system produced by an external stimulus; "he measured evoked potentials with an electroencephalog…
Leiden jarnounan electrostatic capacitor of historical interest
Leyden jarnounan electrostatic capacitor of historical interest
Magnetospherenounthe magnetic field of a planet; the volume around the planet in which charged particles are subject more to the planet's magnetic field than to…
Negative chargenounhaving a surplus of electrons; having a lower electric potential
Positive chargenounhaving a deficiency of electrons; having a higher electric potential
Rated voltagenounthe maximum voltage that the circuit-breaker can interrupt safely and without being damaged by excessive arcing.
Resting potentialnounthe potential difference between the two sides of the membrane of a nerve cell when the cell is not conducting an impulse
Solar magnetic fieldnounthe magnetic field of the sun
Trimmernouncapacitor having variable capacitance; used for making fine adjustments
Trimming capacitornouncapacitor having variable capacitance; used for making fine adjustments
Circuitnounan electrical device that provides a path for electrical current to flow
Bridgenouna circuit consisting of two branches (4 arms arranged in a diamond configuration) across which a meter is connected
Clippernoun(electronics) a nonlinear electronic circuit whose output is limited in amplitude; used to limit the instantaneous amplitude of a waveform (to c…
feedback loopnouna circuit that feeds back some of the output to the input of a system
Limiternoun(electronics) a nonlinear electronic circuit whose output is limited in amplitude; used to limit the instantaneous amplitude of a waveform (to c…
Linknounan interconnecting circuit between two or more locations for the purpose of transmitting and receiving data
Loopnouna complete electrical circuit around which current flows or a signal circulates
Resonatornounan electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude
Squelchnounan electric circuit that cuts off a receiver when the signal becomes weaker than the noise
Wiringnouna circuit of wires for the distribution of electricity
Gatenouna computer circuit with several inputs but only one output that can be activated by particular combinations of inputs
Modulenouncomputer circuit consisting of an assembly of electronic components (as of computer hardware)
Portnoun(computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a compute…
