#### BASICS OF ELECTRICAL CIRCUITS 1

###### Domain: Electronic engineering and telecommunications • Field of study: Applied Electronics
 Type of course: Compulsory Language of instruction: English, German Erasmus Language of instruction: English, German Name of lecturer: Adrian Alexandru Tulbure Seminar tutor: Ioan Szabo Form of education Full-time
 Form of instruction: Class / Seminary Number of teaching hours per semester: 56 Number of teaching hours per week: 4 Semester: Autumn Form of receiving a credit for a course: Grade Number of ECTS credits allocated 7

#### Course aims:

. Basic knowledge transfer regarding electrical components, instruments, applications and equipment used in environmental technologies
Understanding and interpreting, as the case, the physical phenomena related to the DC / single phase electrical circuits
Measurement principles of non-electric/environmental quantities via electric way
Circuit diagnostics / maintain of basic electrical systems
DC Circuits and systems analysis in order to design their

#### Course Entry Requirements:

Algebra; Basics of mathematical analysis.

#### Course contents:

• I. Introduction. Phenomenology of DC circuits- 3:00h • II. Physical sizes and units of fundamental measurement and derivatives. Their interpretation - 4:00h (technical estimation and meas. units) • III. Fundamental theorems of electromagnetism. Conservation theorem of electrical charge and energy - 4h • IV. The physical basis of circuit theory. Circuits in stationary regime - 4h • V. Laws of electrical circuits with concentrated parameters. Ohm-Law, Kirchhoff x 2 – 4h • VI. Connecting the circuit elements. Serial (voltage div) and parallel (current div) connection. Bridge circuit. - 4h • VII. Measurement of current and voltage. Measuring range extension modes - 4h (in networks) • VIII. Linear dipoles. Circuits with equivalent voltage and current sources – 4h • IX. Parallel connection of the voltage sources / output power. Analysis of linear components networks. – 4h (using different working regimes) • X. Electric field: load density, dielectric, semiconductor, capacity, stored energy s.a – 4h • XI. Magnetic field: intensity, flux, magnetic voltage, induction, energy stored in s.a coil – 4h- • XII. Electric intensity and induction. Magnetic idem. -4h. • XIII. The law of electrostatics (Gauss) and electrical capacity -4h • XIV. Study of the B - H relation, the system of electromagnetism laws. Ideal dipole elements of linear electrical circuits: R, C, L, sources. Final recap. and assessment topics– 4h (exam. procedures)

#### Teaching methods:

Technical presentation and meeting with experimental exemplification.

#### Learning outcomes:

C1.1 Operation description of electronic devices and circuits. Fundamental methods of measuring electrical quantities C1.2 Analysis of small / medium complexity electronic circuits and systems, in order to designing and measuring them. C1.3 Diagnosis / troubleshooting of electronic circuits, equipment and systems C1.4 Use of electronic tools and specific methods to characterize and evaluate the electronic circuits and systems performance

#### Learning outcomes verification and assessment criteria:

theoretical exams – 60%; experimental laboratory – 40%.