Electromagnetism & Electronics
67 terms · page 3 of 3
Operational Amplifier (Op-Amp)
A high-gain DC-coupled electronic voltage amplifier with differential inputs and single-ended output.
Electromagnetism & ElectronicsParallel Circuit
An electrical circuit topology in which components are connected across common voltage nodes, offering multiple parallel paths for current.
Electromagnetism & ElectronicsParamagnetism
A weak form of magnetism in which materials with unpaired electrons are weakly attracted into an external magnetic field.
Electromagnetism & ElectronicsPower Factor
The ratio of real power dissipated by an AC circuit to the apparent power delivered by the supply.
Electromagnetism & ElectronicsPoynting Vector
A vector representing the directional energy flux density (power per unit area) transported by an electromagnetic field.
Electromagnetism & ElectronicsRC Circuit & Time Constant
An electrical circuit composed of resistors and capacitors driven by a voltage source, characterized by its exponential charging and…
Electromagnetism & ElectronicsRL Circuit
An electrical circuit containing resistors and inductors, characterized by an exponential delay in current growth and decay governed by…
Electromagnetism & ElectronicsRLC Circuit & Resonance
An electrical circuit containing a resistor, inductor, and capacitor whose total impedance reaches a minimum at the resonant frequency.
Electromagnetism & ElectronicsRMS Current
The Root-Mean-Square value of an alternating current (AC), representing the equivalent direct current (DC) that delivers equal average…
Electromagnetism & ElectronicsSelf-Inductance
The property of an electrical conductor or coil whereby a change in current induces an opposing electromotive force in the conductor itself.
Electromagnetism & ElectronicsSemiconductor Diode
A two-terminal semiconductor device formed by a p-n junction that allows electric current to flow easily in one direction while blocking it…
Electromagnetism & ElectronicsSeries Circuit
An electrical circuit topology in which components are connected end-to-end sequentially along a single continuous current path.
Electromagnetism & ElectronicsSolenoid
A long helical coil of insulated wire that produces a uniform interior magnetic field when an electric current flows through it.
Electromagnetism & ElectronicsToroid
A doughnut-shaped ring wrapped with insulated wire that confines a uniform magnetic field completely within its circular core.
Electromagnetism & ElectronicsTransformer
A static AC electrical device that transfers electrical energy between circuits through mutual electromagnetic induction to step up or step…
Electromagnetism & ElectronicsVoltage
The electric potential difference between two points, defined as the work required per unit charge to move a positive test charge between…
Electromagnetism & ElectronicsWattless Current
The component of alternating current that is 90 degrees out of phase with AC voltage, consuming zero net electrical power.
Electromagnetism & ElectronicsWheatstone Bridge
An electrical bridge network consisting of four resistor arms used to measure an unknown electrical resistance with high precision.
Electromagnetism & ElectronicsZener Diode
A heavily doped silicon p-n junction diode designed to operate safely in reverse breakdown mode to maintain a precise reference voltage.