- polarity of emf source
- полярность источника эдс
English-Russian dictionary of telecommunications. 2015.
polarity of emf source
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Electromotive force — (emf, mathcal{E}) is a term used to characterize electrical devices, such as voltaic cells, thermoelectric devices, electrical generators and transformers, and even resistors. For a given device, if an electric charge Q passes through that device … Wikipedia
Electrochemistry — is a branch of chemistry that studies chemical reactions which take place in a solution at the interface of an electron conductor (a metal or a semiconductor) and an ionic conductor (the electrolyte), and which involve electron transfer between… … Wikipedia
Magnetic field — This article is about a scientific description of the magnetic influence of an electric current or magnetic material. For the physics of magnetic materials, see magnetism. For information about objects that create magnetic fields, see magnet. For … Wikipedia
Signal-flow graph — A signal flow graph (SFG) is a special type of block diagram[1] and directed graph consisting of nodes and branches. Its nodes are the variables of a set of linear algebraic relations. An SFG can only represent multiplications and additions.… … Wikipedia
Inductor — An inductor is a passive electrical component designed to provide inductance in a circuit.Inductors store energy in a magnetic field created when an electric current flows through them. They are usually implemented by some sort of coiled… … Wikipedia
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Thermoelectric effect — The thermoelectric effect is the direct conversion of temperature differences to electric voltage and vice versa. On the measurement scale of everyday life, a thermoelectric device creates a voltage when there is a different temperature on each… … Wikipedia
Push–pull converter — A push–pull converter is a type of DC to DC converter that uses a transformer to change the voltage of a DC power supply. The transformer s ratio is arbitrary but fixed; however, in many circuit implementations the duty cycle of the switching… … Wikipedia
Magnetometer — A magnetometer is a measuring instrument used to measure the strength or direction of a magnetic field either produced in the laboratory or existing in nature. Some countries such as the USA, Canada and Australia classify the more sensitive… … Wikipedia
Radio communication system — A radio communication system send signals by radio. [cite book | title = Wireless Network Performance Handbook | author = Clint Smith, Curt Gervelis | year = 2003 | publisher = McGraw Hill Professional | isbn = 0071406557 | url =… … Wikipedia
H-bridge — An H bridge is an electronic circuit which enables DC electric motors to be run forwards or backwards. These circuits are often used in robotics. H bridges are available as integrated circuits, or can be built from discrete components.The term H… … Wikipedia
