Course Title: Solve problems in d.c. circuits
Part B: Course Detail
Teaching Period: Term1 2013
Course Code: EEET7020C
Course Title: Solve problems in d.c. circuits
School: 130T Vocational Engineering
Campus: City Campus
Program: C6122 - Advanced Diploma of Electronics and Communications Engineering
Course Contact: Program Manager
Course Contact Phone: +61 3 9925 4468
Course Contact Email: email@example.com
Name and Contact Details of All Other Relevant Staff
Phone: +61 3 9925 4701
Phone: +61 3 9925 4691
Nominal Hours: 80
Regardless of the mode of delivery, represent a guide to the relative teaching time and student effort required to successfully achieve a particular competency/module. This may include not only scheduled classes or workplace visits but also the amount of effort required to undertake, evaluate and complete all assessment requirements, including any non-classroom activities.
Pre-requisites and Co-requisites
This unit covers determining correct operation of single source d.c. series, parallel and series-parallel circuits and providing solutions as they apply to various electrotechnology work functions. It encompasses working safely, problem solving procedures, including the use of voltage, current and resistance measuring devices, providing solutions derived from measurements and calculations to predictable problems in single and multiple path circuits.
National Codes, Titles, Elements and Performance Criteria
National Element Code & Title:
UEENEEE104A Solve problems in d.c. circuits
1. Prepare to work on d.c. electrical circuits.
1.1 OHS procedures for a given work area are identified, obtained and understood.
2. Solve d.c. circuit problems.
2.1 OHS risk control work measures and procedures are followed.
3. Complete work and document problem solving activities.
3.1 OHS work completion risk control measures and procedures are followed.
Refer to Elements
Details of Learning Activities
Classroom tutorial activities to consolidate the theory of concepts
Practical activities applied, with problem solving and related questions to develop skills in safe testing.
Projects may be undertaken as part of a team or individual basis.
Participate in individual and team problem solving scenarios/role plays/ case studies and participate in supervised workshop practice in simulated workplace environment dealing with a range of practical exercises related to:
1. Series Circuits
2. Parallel Circuits
3. Series /Parallel circuits
4. Effects of meters in a circuits
5. Resistance measurement
6. Capacitor and Capacitance
7. Capacitors in series and parallel
The skills and knowledge described in this unit may require a license to practice in the workplace where plant and equipment are directly connected to installation wiring that operates at voltage above 50 V a.c. or 120 V d.c.
|Week Number||Topic Delivered||Assessment Task
|1||Basic electrical concepts|
Electro technology industry.
Production of electricity.
Transmission and distribution systems of electricity. Utilisation of electricity by the various loads
Basic calculations involving quantity of electricity, velocity and speed with relationship to the generation and transportation of electricity
| Introduction to Lab Equipment.
OHS obligations and safe behaviour in lab;
Introduction to MultiSim software
|2||Basic electrical circuit|
Symbols used to represent an electrical energy source, a load, a switch and a circuit protection device in basic d.c. single path circuit
Purpose of each component in the circuit.
Effects of an open-circuit, a closed-circuit and a short-circuit
|Tutorial # 1|
Relationship between voltage, current and resistance from measured values in a simple circuit.
Determining voltage, current and resistance in a circuit given any two of these quantities.
Graphical relationships of voltage, current and resistance
|Tutorial # 2|
Relationship between force, power, work and energy
Power dissipated in circuit from voltage, current and resistance values.
Power ratings of devices
Measurement electrical power in a d.c. circuit.
Effects of power rating of various resistors
| Lab #1 (2.5%)
Introduction to OHS Electrical safety
|5||Effects of electrical current |
Effects of current.
The fundamental principles (listed in AS/NZS 3000) for protection against the effects of current.
Basic principles by which electric current can result in the production of heat; light; magnetic fields; and a chemical reaction.
Typical uses of the effects of current.
|Tutorial # 3|
|6||EMF sources energy sources and conversion electrical energy|
Basic principles of producing a emf from the interaction of a moving conductor in a magnetic field, from the heating of one junction of a thermocouple, by the application of sun light falling on the surface of photovoltaic cells, and when a mechanical force is applied to a crystal (piezo electric effect).
Principles of producing a electrical current from primary, secondary and fuel cells.
Input, output, efficiency or losses of electrical systems and machines
Effect of losses in electrical wiring and machines.
Principle of conservation of energy
|Lab #2 (2.5%)|
Features, identification, types and applications of fixed and variable resistors.
Power ratings of a resistor.
Power loss (heat) occurring in a conductor.
Use the colour code table to identify resistors and confirm the value by measurement.
Specifying a resistor for a particular application
| Tutorial 4
Solve problems at the end of chapter 2 in the text book
Circuit diagram of a single-source d.c. ‘series’ circuit.
Applications and characteristics of ‘series’ circuits used in the Electro technology industry.
KVL and simple voltage divider networks.
Effect of an open-circuit on a series connected circuit.
|Lab # 3 (2.5%)|
Schematic diagram of a single-source d.c. ‘parallel’ circuit.
Applications and characteristics of ‘parallel’ circuits used in the Electro technology industry.
KCL and simple current divider rule and power dissipation.
Output current and voltage levels of connecting cells in parallel.
| Written Test
|10|| Series/parallel circuits|
Schematic diagram of a single-source d.c. ‘series/parallel’ circuit.
Applications and characteristics of ‘series/parallel’ circuits used in the Electrotechnology industry.
Relationship between voltages, currents and resistances in a bridge network.
Calculation of the total resistance, the voltage, current and power dissipated from measured values of any two of these quantities of a ‘series/parallel’ circuit.
|Lab # 4 (2.5%)|
|11|| Factors affecting resistance|
Factors affect the resistance of a conductor (type of material, length, cross-sectional area and temperature)
Effects of resistance on the current-carrying capacity and voltage drop in cables.
Calculation of the resistance.
|Lab # 5 (2.5%)|
|12|| Effects of meters in a circuit|
Operating characteristics of analogue and digital meters, range, loading effect and accuracy for a given application.
Connection of instruments into a circuit to measure voltage, current and resistance, reading analogue scales and digital readouts in measuring voltage, current and
|Lab # 6 (2.5%)|
|13|| Resistance measurement|
Identification of instruments used in the field to measure resistance.
The purpose of an Insulation Resistance (IR) Tester calibration, storing and checking.
Zero ohms adjustment, battery check function, scale and connecting leads).
Reasons why the supply must be isolated prior to using the IR tester.
The continuity test, insulation resistance test used in an electrical installation and AS/NZS3000 Wiring Rules requirements.
The voltage ranges of an IR tester and where each range may be used. e.g. 250 V d.c, 500 V d.c and 1000 V d.c
|Lab # 7 (2.5%)|
Definition of capacitance, how a capacitor is charged.
Units by which capacitance is measured.
Capacitance voltage and charge.
Behaviour of an RC series d.c. circuit
|Lab # 8 (2.5%)|
Hazards and safety control. Factors which determine the capacitance of a capacitor in all circuits to some extent.
Identifying capacitors values
Common faults in capacitors.
testing of capacitors to determine serviceability
|16|| Capacitors in Series and Parallel|
Capacitors connected in parallel calculating their equivalent capacitance.
Effects on the total capacitance of capacitors connected in series
|17/18||Final written exam in Centralised Exam Period either in Week 17 or Week 18|
Introductory Circuit Analysis
RMIT online learning resources are located on RMIT Online Learning Hub. Follow the link to log in http://www.rmit.edu.au
Tutorial and Laboratory Instruction sheets will be available online (using Online Learning Hub) and student’s local drive
Overview of Assessment
The assessment is conducted in both theoretical and practical aspects of the course according to the performance criteria set in the National Training Package. Assessment may incorporate a variety of methods including written/oral activities and demonstration of practical skills to the relevant industry standards. Participants are advised that they are likely to be asked to personally demonstrate their assessment activities to their teacher/assessor. Feedback will be provided throughout the course. To successfully complete this course you will be required to demonstrate competency in each assessment task detailed under Assessment Tasks:
Assessment 1: Practical/Laboratories
Weighting towards final grade (%): 20
Assessment 2: Assignment
Weighting towards final grade (%): 10
Assessment 3: Practical Test
Weighting towards final grade (%): 20
Assessment 4: Final Written Test
Weighting towards final grade (%): 50
These tasks assesses the following Course Learning Outcomes (CLOs) :
Assessment Mapping Matrix
|Element/Performance Criteria Covered||Assignment||Lab||Practical Test||Final Written Test|
1. Laboratory exercises (20%)
Each student will complete 8 practical exercises designed to reinforce the theory topics taught during the semester.
Most practical exercises consist of two major parts:
Part A is a prior task includes only calculations (usually pre requisite for part B) and part B include measurements and graphs.
The results obtained in part B will be reviewed and compared with the calculations from section A.
These will be assessed progressively according to individual task criteria and each student is required to complete all the parts/tasks for each laboratory exercise.
All laboratory exercises must be undertaken according to safe working practice and performed according to specified laboratory standards and practice including calibration, measurement and accurate reading. This must include electrical measurement taken with safe working practice, meters properly calibrated, meter settings positioned for an accurate reading and accurate readings taken for all measurements.
2. Project (10%)
A project has to be undertaken toward the end of the unit, in a controlled environment for the specified duration in order to perform tasks autonomously.
The project circuits can be constructed using either hard ware or MultiSim (design / test) simulation computer package. Each student will complete all parts of the project individually and will be asked by the supervisor to demonstrate that the circuit is functioning according to specifications. Each student is required to complete a written report includes three major parts: calculations, circuit diagrams / measurement and results / conclusion.
3 Written Test (20%)
Theoretical concept covered in weeks 1 to 8 will be assessed by a written test in week 9.
4. Written Exam (50%)
Theoretical concept covered in weeks 9 to 16 will be assessed by a written Exam in week 17 / 18 (exams period).
|UEENEEE104B||Solve problems in d.c. circuits||lab||Assignment||Project/|
Minimum student directed hours are 48 in addition to 32 scheduled teaching hours. Student directed hours involve completing activities such as reading online resources, project, preparing for test and exam, student teacher course related consultation, and reports.
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