Content of lectures: 1. Electrostatics Electric charge, electrostatic induction, atomic structure of electric charge, Coulomb's law, intensity of the electrostatic field, electrostatic dipole, Gauss's theorem of electrostatics, charge distribution. 2. Potential of the electrostatic field and capacity Potential, potential of homogeneously distributed charges, potential energy, voltage, capacity conductors, dielectric capacitors, capacitors in circuits, capacitor energy. 3. Polarization of dielectrics Types of dielectrics, polarization, vector of electric polarization, polarization of dielectrics, electric field energy. 4. Electric current in metals and semiconductors Principle and origin of electric current, current density, Ohm's law in differential and integral form, electrical resistance, temperature dependence of electrical resistance (superconductivity), electromotive force, voltage sources, Kirchhoff's laws, resistors in electrical circuits, Joule's low, work and power, semiconductors, electron-hole conductivity. 5. Electrical circuits, thermoelectric phenomena Measurement of current and voltage, errors of measurements, voltage and power sources, thermal emission of electrons, contact potential, thermoelectric Seebeck's and Peletier's effects. 6. Electric current in electrolytes and gases Dissociation principle, electrolytic dissociation, electrolysis (elementary processes of electrolysis - examples), Faraday's laws of electrolysis, electrolytic polarization, electrolytic potential, battery, ionization principle, conditions and types of ionization processes, Townsend glow discharge theory, Paschen's law, glow discharge. 7. Magnetic field Magnetic field, magnetic induction, magnetic flux, magnetic field lines, Biot-Savart's law, magnetic field strength. 8. Forces in magnetic field Lorentz's force, force on the wire with current inserted into a magnetic field, loop with current in a magnetic field, charged particles in magnetic field + practical applications, Hall's effect. 9. The magnetic field in solid matter Amper's concept of magnetic field, magnetization process, permeability, magnetic circuit, Hopkinson's equation, electromagnet. 10. Magnets Paramagnetics and diamagnetics, magnetic moment of the atom, Bohr's magneton, diamagnetism (Larmor's explanation), paramagnetism, ferromagnetismus, spontaneous magnetization, Curie-Weiss law, domain structure, hysteresis curve of ferromagnetics. 11. Electromagnetic induction Kvazistacionarity, electromagnetic induction, Lenz's law, Faraday's law of electromagnetic induction, Foucault currents, self-induction, phenomena of circuits with a coil and capacitor, magnetic field energy. 12. Alternating current Generation of alternating current, circuits with - R (reactance), L (inductance), C (capacitance), phase shift, serial and parallel RLC circuit, ac power, transformer, transformation equations Content of practicals: The practicals, thematically following the lectures, are aimed on the solving of problems (mainly in the form of numerical examples) of electricity and magnetism. 1. Electrostatics 2. Potential of the electrostatic field 3. Capacity, capacitors 4. Electric current - Ohm's Law 5. Electrical current in circuits 6. Electrical current - work and power 7. Electric current in electrolytes 8. Magnetic field induced by electrical current 9. Forces in magnetic field - force on the conductor with current 10. Force on a moving charge in magnetic field 11. Electromagnetic induction 12. Alternating current
|
-
B. Sedlák, I. Štoll, Elektřina a magnetismus, Academia, Praha 2002.
-
Hajko V. aj.: Fyzika v príkladoch. Bratislava, Alfa 1983.
-
O. Lepil, P. Šedivý, Fyzika pro gymnázia - elektřina a magnet., Prométheus, 2001.
-
Brož, J.:. Elektřina a magnetismus, I. a II. Skripta. SPN, Praha, 1978.
-
Fuka, Havelka, B.:. Elektřina a magnetismus. SPN, Praha, 1979.
|