Objectives and competences
The objective of this course is to enable students to explain principles of static electric, current an magnetic fields and to use that comprehension to solve and analyze basic problems of electrical engineering.
Content (Syllabus outline)
• Electric field of stationary charges – electrostatic, Coulomb’s law.
• Electrostatic field, electric field strength. Surface density of charge, electric flux density, electric displacement and permittivity. Definition of electric potential and voltage. Reflection method. Electrostatic field in dielectric materials. Boundary conditions at surfaces in electrostatics. Capacitance, analysis of circuits with capacitors. Electrostatic field energy.
• Electric field of evenly moving charges.
• Current field and current density. Mechanism of current flow in metals. Ohm’s law, examples of resistance calculation, Joule’s law.
• Linear circuit DC analysis: passive and active elements of electric circuits, Kirchhoff’s first and second law; Thevenin's and Norton's theorem; analysis methods.
• Magnetic field of evenly moving charges.
• Magnetic field strength, Maxwell’s first equation in integral form, Ampere’s law, Biot-Savart’s law. Magnetic flux density, Magnetic forces, Magnetic flux and Maxwell’s fourth equation in integral form.
• Magnetic field in magnetic materials; analysis of magnetic circuits. Boundary conditions at surfaces in magnetostatics, Magnetisation curve. Induced voltage, determination experiment of induced voltage.
• Self-inductance and mutual inductance. Magnetic field energy.
Learning and teaching methods
• lectures,
• tutorial,
• homework assignments.
Intended learning outcomes - knowledge and understanding
On completion of this course the student will be able to
• understanding basic laws and theorems (Coulomb’s, Ohm’s, Ampere’s, Joule’s, Biot-Savart’s law, Thevenin's and Norton's theorem),
• understand the basic concepts: resistance, power and energy,
• demonstrate knowledge and understanding basic problems of electric field of stationary charges and magnetic field of evenly moving charges and solving problems,
• solving and analysing of DC circuits with R, L and C elements.
Intended learning outcomes - transferable/key skills and other attributes
Communication skills: manner of expression at written examination.
Problem solving: solving of simple linear circuits and simple problems in electromagnetic field.
Readings
• I. Tičar, T. Zorič: Osnove elektrotehnike. Zv. 1, Elektrostatika in tokovna polja UM - Fakulteta za elektrotehniko, računalništvo in informatiko, Maribor, 2005.
• P. Kitak, T. Zorič: Osnove elektrotehnike. Zv. 2, Magnetna in inducirana električna polja, UM - Fakulteta za elektrotehniko računalništvo in informatiko, Maribor, 2011.
• Branislav M. Notaroš, Electromagnetics, Upper Saddle River: Prentice Hall, cop. 2011.
• T. Zorič: Zbirka rešenih nalog iz osnov elektrotehnike; Samozaložba, Maribor, 2008.
Additional information on implementation and assessment The written exam may be substituted with continuous knowledge testing and assessment.
