32 relations: AC power, Alternating current, Antenna (radio), Complex conjugate, Dynamo, Efficiency, Electric motor, Electric power, Electrical efficiency, Electrical engineering, Electrical impedance, Electrical reactance, Electrical resistance and conductance, Electronics, Francis Robbins Upton, Heat engine, Impedance matching, Input impedance, Internal resistance, James Prescott Joule, LC circuit, Moritz von Jacobi, Ohm's law, Output impedance, PDF, Phasor, Power factor, Radio, Short circuit, Theorem, Thomas Edison, Transmission line.
AC power
Power in an electric circuit is the rate of flow of energy past a given point of the circuit.
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Alternating current
Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.
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Antenna (radio)
In radio, an antenna is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver.
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Complex conjugate
In mathematics, the complex conjugate of a complex number is the number with an equal real part and an imaginary part equal in magnitude but opposite in sign.
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Dynamo
A dynamo is an electrical generator that creates direct current using a commutator.
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Efficiency
Efficiency is the (often measurable) ability to avoid wasting materials, energy, efforts, money, and time in doing something or in producing a desired result.
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Electric motor
An electric motor is an electrical machine that converts electrical energy into mechanical energy.
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Electric power
Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.
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Electrical efficiency
The efficiency of an entity (a device, component, or system) in electronics and electrical engineering is defined as useful power output divided by the total electrical power consumed (a fractional expression), typically denoted by the Greek small letter eta (η – ήτα).
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Electrical engineering
Electrical engineering is a professional engineering discipline that generally deals with the study and application of electricity, electronics, and electromagnetism.
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Electrical impedance
Electrical impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied.
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Electrical reactance
In electrical and electronic systems, reactance is the opposition of a circuit element to a change in current or voltage, due to that element's inductance or capacitance.
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Electrical resistance and conductance
The electrical resistance of an electrical conductor is a measure of the difficulty to pass an electric current through that conductor.
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Electronics
Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors.
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Francis Robbins Upton
Francis Robbins Upton (1852 in Peabody, Massachusetts – March 10, 1921 in Orange, New Jersey) was an American physicist and mathematician.
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Heat engine
In thermodynamics, a heat engine is a system that converts heat or thermal energy—and chemical energy—to mechanical energy, which can then be used to do mechanical work.
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Impedance matching
In electronics, impedance matching is the practice of designing the input impedance of an electrical load or the output impedance of its corresponding signal source to maximize the power transfer or minimize signal reflection from the load.
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Input impedance
The input impedance of an electrical network is the measure of the opposition to current flow (impedance), both static (resistance) and dynamic (reactance), into the load network being that is external to the electrical source.
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Internal resistance
A practical electrical power source which is a linear electric circuit may, according to Thévenin's theorem, be represented as an ideal voltage source in series with an impedance.
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James Prescott Joule
James Prescott Joule (24 December 1818 11 October 1889) was an English physicist, mathematician and brewer, born in Salford, Lancashire.
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LC circuit
An LC circuit, also called a resonant circuit, tank circuit, or tuned circuit, is an electric circuit consisting of an inductor, represented by the letter L, and a capacitor, represented by the letter C, connected together.
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Moritz von Jacobi
Moritz Hermann (Boris Semyonovich) von Jacobi (Борис Семёнович (Морис-Герман) Якоби) (21 September 1801 – 10 March 1874) was a German and Russian engineer and physicist born in Potsdam.
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Ohm's law
Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
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Output impedance
The output impedance of an electrical network is the measure of the opposition to current flow (impedance), both static (resistance) and dynamic (reactance), into the load network being connected that is internal to the electrical source.
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The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.
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Phasor
In physics and engineering, a phasor (a portmanteau of phase vector), is a complex number representing a sinusoidal function whose amplitude (A), angular frequency (ω), and initial phase (θ) are time-invariant.
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Power factor
In electrical engineering, the power factor of an AC electrical power system is defined as the ratio of the real power flowing to the load to the apparent power in the circuit, and is a dimensionless number in the closed interval of −1 to 1.
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Radio
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
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Short circuit
A short circuit (sometimes abbreviated to short or s/c) is an electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance.
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Theorem
In mathematics, a theorem is a statement that has been proven on the basis of previously established statements, such as other theorems, and generally accepted statements, such as axioms.
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Thomas Edison
Thomas Alva Edison (February 11, 1847October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor.
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Transmission line
In communications and electronic engineering, a transmission line is a specialized cable or other structure designed to conduct alternating current of radio frequency, that is, currents with a frequency high enough that their wave nature must be taken into account.
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References
[1] https://en.wikipedia.org/wiki/Maximum_power_transfer_theorem