Electromagnetism. Electrical current and magnetic field of a current
Fundamentals of electrical engineering and measuring technology. Main characteristics of electrical systems and of the magnetic field. Feature Whetstone bridge tangent compass, measuring methods, such as the bridge circuit, the method of comparison.
Подобные документы
The use of asymptotic formulas for calculating the stray field of an arbitrarily oriented magnetic and electric dipole located on the axis of an ideally conducting disk. Using the methods of physical and uniform asymptotic theory of diffraction.
статья, добавлен 05.11.2018The modeling results of the zonal electric field and the vertical component of the plasma transfer velocity due to electromagnetic drift during magnetic storms were presented. Penetration into the mid-latitude ionosphere during geomagnetic disturbances.
статья, добавлен 30.10.2016The benefits of using improved magnetic materials for electric devices. The mechanism of effect of magnetic field on the formation of ferrite particles in the polymer matrix composites. The calculation of the amount of filler in a phase transition.
статья, добавлен 30.07.2016Study of electrical characteristics of organic diodes of metal phthalocyanine. Analysis of the role of the metal Cu, Al, Zn, Mg on electronic parameters. The substantiation of the nonideal behavior of the obtained values of n: 1.85, 2.22 and 4.40.
статья, добавлен 23.12.2016Transients in electrical power systems, short-time Fourier transform, wavelet transform, complex wavelets, wave spectrum, scalogram, frequency evaluation, phases and amplitudes of sinusoidal oscillations, evaluation accuracy and processing time.
статья, добавлен 08.05.2013Analysis concept of semiconductor is a solid whose electrical conductivity is in between that of a conductor and that of an insulator. Familiarization with the methods carrier recombination. Description features of preparation of semiconductor materials.
статья, добавлен 14.04.2015Invariant formulation of the Lorentz transformation. Derivation of the Lorentz force law and the magnetic field. The time component of the relativistic generalisation of the Lorentz force law. The time component of newton’s second law in electrodynamics.
статья, добавлен 11.09.2012The problem of coupled electron-nuclear oscillations in ferromagnets of spheroidal shape with the frequencies in the vicinity of ferromagnetic and nuclear magnetic resonance. The amplification factor of magnetic field acting to the nuclear subsystem.
статья, добавлен 10.08.2020Features of the use Gauss law. System with two line charges. The potential from both line charges is a superposition of both potential. Since the system has a high symmetry, may to use Ampere's law. Choice of the Ampere loop. The magnetic field.
реферат, добавлен 26.05.2014The discovery of giant magnetic seasons granular thin films of alloys - the reason for the study the temperature coefficient of resistance, resistivity. Characteristics of schematic illustration of a single layer and tube current layered structure.
статья, добавлен 30.07.2016The essential elements of the Marinov motor. Derivation of the net force driving the rotor. Force of induction from Weber electrodynamics. Forces on electron currents in a metal yield a ponderomotive force. Electromotive versus ponderomotive force.
статья, добавлен 11.09.2012Geophysical methods: seismic exploration, gravity, magnetic and electric prospecting. The inverse and the direct problem in geophysics. Permanent or electric parameters of the alternating electromagnetic field. Longitudinal and transverse waves.
презентация, добавлен 23.03.2014The essence of the method of a round flat constant power probe used to determine the thermal characteristics of solids. Formulas for calculating thermal conductivity and thermal diffusivity. Measuring equipment, analysis of experimental results.
статья, добавлен 30.05.2021Capabilities of two plasma assisted methods based on a pulsed laser ablation and electrical discharges in liquid media for fabrication of metallic and composite nanoparticles. Production of metallic and composite nanoparticles with controlled parameters.
статья, добавлен 30.07.2016The deterministic spherical motion of the ferromagnetic fine particle with frozen magnetic moment is considered. Using the equations of motion and the mode of torsional oscillation. The influence of the static field on the magnitude of the power loss.
статья, добавлен 30.07.2016Analysis of the measuring circuit to check the vibration of mechanical parts. Features of the development of a system that can timely identify a problem that could destroy the device. Familiarity with the reasons for the growing demand for equipment.
статья, добавлен 26.08.2020The short life span of satellites - the reason of the complexity of the observation region of the ionosphere near the ionospheric peak. The features of the use of the Faraday effect for measuring the geomagnetic field using incoherent scatter radar.
статья, добавлен 30.10.2016Analysis of parameters of the impact model measuring the accuracy of orientation using the QUEST and TRIAD method. Analysis of the influence of the parameters of the measuring model on the accuracy of determining the orientation of space vehicles.
статья, добавлен 22.12.2016The questions of synthesis and application of the mathematical model of a boost-type DC converter, which has found widespread application in modern electrical devices and complexes. Determining of the cause of the error in the intermittent mode.
статья, добавлен 13.10.2020Poincare Transformations of the Direct Sum Field. On Site Verbal Explanations at the Poster Session. Vector-Tensor Field, Translation Matrix. Constant Magnetic and Electric Field. Origin of the Connection. Parallel Translation and The Lorentz Force Law.
статья, добавлен 11.09.2012Analysis of physical and numerical modeling of an electron emission and transport processes for different electron-optical energy conversion systems with nanostructured surface electron sources. Review of energy conversion processes with high efficiency.
статья, добавлен 30.07.2016Dielectric loss, which characterizes the conversion of electrical energy into thermal energy as electrical properties of dielectrics. Loss mechanisms and their contribution to the conductivity of the dielectric materials of ultra-high frequencies.
статья, добавлен 26.06.2016Problems of reducing dielectric strength of transformer oil. The technology of pumping oil through the adsorbent to remove excess moisture. Analysis of methods of drying the adsorbent by an electromagnetic field. Advantages and disadvantages of methods.
статья, добавлен 30.10.2016Development of effective magnetic field sensors based on amorphous ferromagnetic microwires. Identification of factors affecting the reversal processes in the surface layer values magnetoimpedance wire. Features of the distribution of magnetization.
статья, добавлен 13.10.2016The theory of wave multiple scattering of the Lippmann-Schwinger integral equation for the tensor of the operator of quantum mechanical scattering of an electric field by a non-magnetic particle. Wave coupling between the elements of a particle.
научная работа, добавлен 05.11.2018