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Ministry of Education and Science of Ukraine National Technical University of Ukraine "kpi"

Physics and mathematics faculty Department of general physics and physics of solid-state

Self-study Course-Book

in physics

Chapter: Electrostatics

For the students of biotechnologies and chemical technologies faculties. Speciality: 6.051401 biotechnologies 6.051301 chemical technologies

Kiev-2015

Content

Part 1. Electrostatics...................................................................................

Chapter 1. Electrostatic field in vacuum

§ 1.ELECTROSTATIC FIELD.........................................................................

    1. Electrostatic field. Electric charge and its properties……………..

    2. Coulomb’s law ……………………………………………………

    3. Intensity of electrical field………………………………………..

    4. Potential of electrical field………………………………………..

    5. Connection between intensity and potential of electric field……..

    6. Surface of equal potentials………………………………………..

    7. Electrical dipole…………………………………………………..

    8. Dipole in homogeneous external electrical field………………….

    9. Dipole in non-homogeneous external electrical field……………..

§ 2. THE DESCRIPTION OF VECTOR FIELD..............................................

    1. The flow of stress vector of electrical field……………………….

    2. Gauss’s theorem..............................................................................

    3. Divergence of stress vector……………………………………….

    4. Gauss-Ostrogradsky theorem……………………………………..

    5. Circulation and curl of stress vector………………………………

    6. Stokes theorem................................................................................

§ 3.STRESS EVALUATION OF FIELD ACCORDING TO GAUSS THEOREM........................................................................................................

    1. Impossibility of charge equilibrium in electric field……………...

    2. The field of homogeneously charged plame……………………...

    3. The field of two parallel planes…………………………………...

    4. The field of the infinite round cylinder cylinder………………….

    5. The field of spherically charged surface………………………….

    6. The field of volumetrically charged sphere……….………………

Chapter 2. DIELECTRIC IN EXTERNAL ELECTRIC FIELD……………

§ 4. DIELECTRIC IN EXTERNAL ELECTRIC FIELD…………………….

    1. Polar and non-polar molecules……………………………………

    2. Polarization of dielectrics…………………………………………

    3. Description of vector field in dielectrics………………………….

    4. Ferroelectrics……………………………………………………...

    5. Conditions on the boundary of two dielectrics……………………

Chapter3. CONDUCTOR IN EXTERNAL ELECTROSTATIC FIELD…..

§ 5. CONDUCTOR IN EXTERNAL ELECTROSTATIC FIELD…………...

    1. Balance of charges in conductor……….…………………….........

    2. Conductor in external electric field……………………………….

    3. Electric capacity. Copasitor and their capacitance ………………

    4. Capacitor connection…………………………….……………….

Chapter 4. ENERGY OF ELECTROSTATIC FIELD................................

§ 6. ENERGY OF ELECTROSTATIC FIELD………………………………

    1. The energy of point charges………………………………………

    2. The energy of isolated conductor…………………………………

    3. The energy of charged capacitor………………………………….

    4. The energy of electrostatic field…………………………………..

Chapter 5. DIRECT ELECTRIC CURRENT………………………………...

§ 7. DIRECT ELECTRIC CURRENT AND ITS CHARACTERISTICS……

    1. Electrical current. Direct current. Current rate and density……….

    2. Equation of continuity…………………………………………….

    3. Electromotive force……………………………………………….

    4. Kirchhoffs᾿s law for branchiny networks…………………………

    5. Capacity of direct current…………………………………………

§ 8.CLASSICAL ELECTRON THEORY OF ELECRICAL CONDUCTIVITY OF METALS………………….……………………………..

    1. Fundamentals of classical theory and its experimental confirmation………………………………………………………

    2. Ohm’s law in the terms of the classical electron theory of electrical conductivity…………………………………………….

    3. Ohm’s law, Joule-Lenz’s law, Wiedemann-Franz law, their consideration on the basis of Drude-Lorentz theory……………...

Chapter 6. CONTACT AND VOLUMETRICAL POTENTIAL DIFFERENCE………………………………………………………………….

§ 9.CONTACT AND VOLUMETRICAL POTENTIAL DIFFERENCE……

    1. Electronic work function………………………………………….

    2. Thermoelectric emission………………………………………….

    3. Thermoelectric phenomena. Seebeck effect. Contact and volumetric potential difference, or (EMF)………………………..

Chapter7. ELECTRIC CURRENT IN FLUIDS…………………………….

§ 10. ELECTRIC CURRENT IN FLUIDS…………………………………..

    1. Electrolytes. Electrolytic dissociation……………………………

    2. Electrolysis. Faraday’s law……………………………………….

    3. Electroconductivity of electrolysis………………………………..

10.4. Electrochemical potential…………………………………………

Розділ 8. ELECTRIC CURRENT IN GASES

§ 11. ELECTRIC CURRENT IN GASES……………………………………

    1. Ionization- recombination process………………………………..

    2. Non-self-maintained gaseous discharge………………………….

    3. Self-maintained gaseous discharge………………………………..

    4. Glow discharge …………………………………………………...

    5. Flash discharge………………………………………………........

    6. Corona discharge………………………………………………….

    7. Arc discharge………………………………………………….......

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Lecture 1.

Chapter 1 Electrostatic field in vacuum

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