Short Title:Electrical Circuits
Full Title:Electrical Circuits
Module Code:ELCR H1002
Credits: 5
NFQ Level:6
Field of Study:Mechanics and metal work
Module Delivered in 3 programme(s)
Module Author:CIARAN YOUNG
Module Description:The aim of this module is to introduce and apply the laws used in DC circuit analysis and to introduce the student to the basic components of electrical circuits that will provide a solid foundation for further study.
Learning Outcomes
On successful completion of this module the learner will be able to:
LO1 Review accidents in the workplace and identify safety issues in the context of system failures, equipment design and human factors.
LO2 Carry out DC resistive circuit calculations involving charge, current, voltage and energy.
LO3 Apply Ohms Law, Kirchoff’s Laws, Superposition and Thevenin's Theorem to the analysis of DC resistive circuits.
LO4 Describe the scientific principles underlying Capacitors and Inductors and solve problems involving components in series and parallel.
LO5 Predict the transient performance of RC and RL circuits.
LO6 Describe the basic principles and laws of electromagnetism.
LO7 Safely use standard bench measurement equipment including multimeters, signal generators and oscilloscopes.
LO8 Design a group experiment, implement the experiment in the lab and write up a lab report.
Pre-requisite learning
Co-requisite Modules
No Co-requisite modules listed

Module Content & Assessment

Content (The percentage workload breakdown is inidcative and subject to change) %
Safe working and electrical safety fundamentals
Industrial safety, hazard assessment and hazard categories. Electrical safety and dangers of shock and fire. Basic risk assessment.
Electric charge, current and voltage
Electric charge, charging by conduction and induction, Coulomb’s law, electric fields, current and voltage. Resistance and Ohm's law. Kirchhoff's laws. Scientific notation and units.
DC circuit analysis
Formulation of circuit equations using Ohm's laws and Kirchohhoff's laws. Application of fundamnental equations to soutions for resistors in series and resistors in parallel.
Network theorems
Superposition theorem. Equivalent circuit concept and Thevenin's Theorem.
Work energy and power
Definitions of work and power, and application to electrical circuits. Power dissipated in resistors. Units of work and power.
Resistance and resistivity
Resistivity of common engineering materials. The affect of length, cross section and resistivity on resistance value.
Charges and electric fields. Capacitance. Capacitors, effect and construction. Series and parallel capacitors. Stored energy. RC circuits, time constant.
Brief description of underlying principles, inductors as circuit elements, series and parallel combinations, RL circuits, time constant.
Description of underlying principles, magnetic field generated by current, force on a current carrying conductor in a magnetic field. Faraday’s law, Lense’s law, left hand motor rule.
Assessment Breakdown%
Course Work30.00%
End of Module Formal Examination70.00%
Course Work
Assessment Type Assessment Description Outcome addressed % of total Assessment Date
Written Report Industrial accident review assignment, based on accident video's. Identify why accidents occured and consider machinery, systems and human factors. (Assessed by individual report). 1 5.00 Week 2
Laboratory Electrical measurement and verification of Ohms Law (assessed by individual report in class). 2,7 5.00 Week 4
Laboratory Superposition position lab (assessed by individual report in class). 2,3,7 5.00 Week 6
Laboratory Use an oscilloscope to capture and analyse the properties of a periodic signal, using the screen and measure/ cursor tools. 7 3.00 Week 7
Laboratory Use and oscilloscope to capture the transient response of an RC circuit, measure the time constant and compare with theoretical values. (assessed by individual typed report, submitted after the class). 4,5,7 6.00 Week 8
Laboratory Electromagnetism lab. Students in small groups design a simple lab to demonstrate any one of a number of electromatnetic principles. Student groups review lab design with the lecturer, implement the lab and write up a full group report. 6,7,8 6.00 Week 10
End of Module Formal Examination
Assessment Type Assessment Description Outcome addressed % of total Assessment Date
Formal Exam End-of-Semester Final Examination 2,3,4,5,6 70.00 End-of-Semester

IT Tallaght reserves the right to alter the nature and timings of assessment


Module Workload

Workload: Full Time
Workload Type Workload Description Hours Frequency Average Weekly Learner Workload
Lecture No Description 2.00 Every Week 2.00
Lecturer/Lab No Description 2.00 Every Week 2.00
Independent Learning No Description 3.00 Every Week 3.00
Total Weekly Learner Workload 7.00
Total Weekly Contact Hours 4.00
This module has no Part Time workload.

Module Resources

Required Book Resources
  • Course Notes
  • Thomas L. Floyd 2009, Principles of electric circuits, 9th Ed., Prentice Hall Upper Saddle River, N.J. [ISBN: ISBN-10: 0-13-507309-X]
Recommended Book Resources
  • E Hughes 2001, Electrical Technology, Prentice Hall
This module does not have any article/paper resources
This module does not have any other resources

Module Delivered in

Programme Code Programme Semester Delivery
TA_EAMEC_B B.Eng(Hons) in Mechanical Engineering [Ab Initio] 1 Mandatory
TA_EAMEC_D Bachelor of Engineering in Mechanical Engineering 1 Mandatory
TA_EAUTO_D Bachelor of Mechanical Engineering (Automation) 1 Mandatory