Specialist dictionary

Electromagnetism

Electric charge, fields, circuits and magnetism.

Core vocabulary

65 featured terms

The database can contain more terms than shown here; this page prioritises the strongest mappings.

Currentnoun

a flow of electricity through a conductor; "the current was measured in amperes"

Electric currentnoun

a flow of electricity through a conductor; "the current was measured in amperes"

ACnoun

an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"

Alternating currentnoun

an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"

Alternating electric currentnoun

an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"

Capacitancenoun

an electrical device characterized by its capacity to store an electric charge

Capacitornoun

an electrical device characterized by its capacity to store an electric charge

Chargenoun

the quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons; "the batte…

Condensernoun

an electrical device characterized by its capacity to store an electric charge

DCnoun

an electric current that flows in one direction steadily

Direct currentnoun

an electric current that flows in one direction steadily

Direct electric currentnoun

an electric current that flows in one direction steadily

electric chargenoun

the quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons; "the batte…

Electric fieldnoun

a field of force surrounding a charged particle

Electric potentialnoun

the difference in electrical charge between two points in a circuit expressed in volts

Electrical condensernoun

an electrical device characterized by its capacity to store an electric charge

Electromotive forcenoun

the rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts

Emfnoun

the rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts

Fluxnoun

the lines of force surrounding a permanent magnet or a moving charged particle

magnetic fieldnoun

the lines of force surrounding a permanent magnet or a moving charged particle

Magnetic fluxnoun

the lines of force surrounding a permanent magnet or a moving charged particle

Potentialnoun

the difference in electrical charge between two points in a circuit expressed in volts

Potential differencenoun

the difference in electrical charge between two points in a circuit expressed in volts

Potential dropnoun

the difference in electrical charge between two points in a circuit expressed in volts

Voltagenoun

the difference in electrical charge between two points in a circuit expressed in volts

Voltagenoun

the rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts

electric chargenoun

A property that makes particles attract or repel electrically.

electromagnetic fieldnoun

The region in which electric and magnetic forces act.

Inductancenoun

an electrical phenomenon whereby an electromotive force (EMF) is generated in a closed circuit by a change in the flow of current

Inductionnoun

an electrical phenomenon whereby an electromotive force (EMF) is generated in a closed circuit by a change in the flow of current

magnetic fieldnoun

The region around a magnet or current where magnetic forces act.

Juicenoun

electric current; "when the wiring was finished they turned on the juice"

Thermionic currentnoun

an electric current produced between two electrodes as a result of electrons emitted by thermionic emission

Bioelectric potentialnoun

the electric potential that occurs in a living organism.

Bypass capacitornoun

a capacitor that provides low impedance over certain (high) frequencies

Bypass condensernoun

a capacitor that provides low impedance over certain (high) frequencies

Electrolyticnoun

a fixed capacitor consisting of two electrodes separated by an electrolyte

Electrolytic capacitornoun

a fixed capacitor consisting of two electrodes separated by an electrolyte

Electrolytic condensernoun

a fixed capacitor consisting of two electrodes separated by an electrolyte

Electrostatic chargenoun

the electric charge at rest on the surface of an insulated body (which establishes and adjacent electrostatic field)

Electrostatic fieldnoun

electric field associated with static electric charges

Evoked potentialnoun

the electrical response of the central nervous system produced by an external stimulus; "he measured evoked potentials with an electroencephalog…

Leiden jarnoun

an electrostatic capacitor of historical interest

Leyden jarnoun

an electrostatic capacitor of historical interest

Magnetospherenoun

the 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 chargenoun

having a surplus of electrons; having a lower electric potential

Positive chargenoun

having a deficiency of electrons; having a higher electric potential

Rated voltagenoun

the maximum voltage that the circuit-breaker can interrupt safely and without being damaged by excessive arcing.

Resting potentialnoun

the potential difference between the two sides of the membrane of a nerve cell when the cell is not conducting an impulse

Solar magnetic fieldnoun

the magnetic field of the sun

Trimmernoun

capacitor having variable capacitance; used for making fine adjustments

Trimming capacitornoun

capacitor having variable capacitance; used for making fine adjustments

Circuitnoun

an electrical device that provides a path for electrical current to flow

Bridgenoun

a 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 loopnoun

a 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…

Linknoun

an interconnecting circuit between two or more locations for the purpose of transmitting and receiving data

Loopnoun

a complete electrical circuit around which current flows or a signal circulates

Resonatornoun

an electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude

Squelchnoun

an electric circuit that cuts off a receiver when the signal becomes weaker than the noise

Wiringnoun

a circuit of wires for the distribution of electricity

Gatenoun

a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs

Modulenoun

computer 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…