**Course title, code:** Electricity, GAINBAN-VILLAMOS-1

**Name and type of the study programme:**

**Curriculum:**2021

**Number of classes per week (lectures+seminars+labs):**2+2+0

**Credits:**5

**Theory:**50 %

**Practice:**50 %

**Recommended semester:**2

**Study mode:**full-time

**Prerequisites:**-

**Evaluation type:**exam

**Course category:**compulsory

**Language:**english

**Responsible instructor:**Dr. Lakó Sándor Dezső

**Responsible department:**Department of Basic Sciences

**Instructor(s):**Dr. Lakó Sándor Dezső

**Course objectives:**

Stable basic knowledge on electric and magnetic phenomena. Calculation and analysis on DC circuits, required by the further studies.

**Course content - lectures:**

Electrostatics 1. Interaction of charges, electric field strength, Gauss theorem Electric charge, Coulomb interaction, Role of dielectrics 2. Electric field strength: the force acting on a unit charge The direction and magnitude of the electric field strength of a point charge Representation of field strength with field strength lines: their direction, density Electric flux: passing through the given surface, number of field strength lines Electric field lines of point charges Gauss's theorem or Maxwell's first law of electrostatics Electric field of a charged sphere 3. The work of the electrostatic field, voltage, potential Conservative force field Maxwell II. law Electric potential Electric voltage Equipotential surfaces and their properties 4. Conductors in an electrostatic field, capacitors Charge distribution, field strength distribution Dielectric tensor/Electric displacement vector Electric peak effect Capacitors Insulators in an electrostatic field Connections of capacitors, energy of capacitors Electric current 5. Direct current circuits Electric direct current Definition of electric current, current density Ohm's law Conductivity, resistance Specific conductivity, specific resistance Temperature dependence of resistance Series and parallel connection of resistances Division formulas 6. Direct current simple networks Simple circuit: generator and resistance voltage and current directions Voltage generator, current generator substitute image of ideal and real generators Simple circuits with a voltage generator and with a power generator Norton and Thevenin's theorem Voltage and current measurement, measurement limit extension Star-delta conversion, measuring bridge connection Complex DC networks 7. Computational tools Kirchoff's laws Planar and spatial networks Law of superposition Application of Norton and Thevenin's theorem Magnetism 8. Magnetic phenomena Basic magnetic phenomena The field and interaction of permanent magnets Characterization of the magnetic field by magnetic induction Measuring magnetic induction The magnetic flux, induction lines 9. Maxwell III law Maxwell IV. law Long straight conductor, solenoid, toroid space 10. Interactions in a magnetic field Force effects in a magnetic field Force acting on a charge and a current-carrying conductor Movement of charges in a magnetic field Induction Electro-magnetism 11. Applications of magnetism: transformator, alternating current generator, electric motor. 12. Magnetic properties of materials Dia-, para- and ferromagnetism Calculation of magnetic circles Magnetic resistance, magnetic voltage 13. Changing electric and magnetic field Switching circuits containing capacitors phenomena Maxwell's system of equations Electromagnetic waves

**Course content - seminars:**

Calculations on the above mentioned simple electrostatic systems and electric currents.

**Acquired competences:**

__Knowledge:__

- Knowledge of the principles and methods of natural sciences (mathematics, physics, other natural sciences) relevant to the field of IT.
- He/she posesses a basic knowledge and engineering approach to signal processing, modelling, simulation and control of systems and networks.

__Skills:__

- He/she uses the principles and methods of natural sciences (mathematics, physics, other natural sciences) relevant to the field of information technology in his/her engineering work for the design of information systems.

__Attitude:__

- He/she aims to see through the entire engineering system not only his/her own field.
- He/she makes an effort to work efficiently and to high standards.

__Autonomy and responsibilities:__

__Additional professional competences:__

**Requirements, evaluation, grading:**

**Mid-term study requirements:**

**Exam requirements:**

**Study aids, laboratory background:**

**Compulsory readings:**

Electricity and Magnetism 3rd Edition TEXTBOOK AUTHORS:Edward M. PurcellDavid J. Morin, Harvard University, Massachusetts DATE PUBLISHED: January 2013

**Recommended readings:**