Electrical Circuits Laboratory

Course Description

Electrical Circuits Laboratory is an introductory electrical engineering laboratory in electrical instrumentation, devices, and systems. UWF notes that a material and supply fee will be assessed, and that credit may not be received in both EEL3117L and EEL3303L.

Within the SCNS taxonomy, EEL is the Electrical Engineering prefix. The University of West Florida publishes this at 1 semester hour through the Department of Electrical and Computer Engineering, College of Science and Engineering. It is offered at approximately 2 Florida institutions under this number.

⚠ The SCNS title for this number is "Circuits 1 Lab"; UWF publishes it as "Electrical Circuits Laboratory." The catalog's own framing — instrumentation first, then devices, then systems — is a fair description of the priority: this course exists to teach a student to measure things correctly, and the circuits are the vehicle.

The gap between a circuit that works on paper and one that works on a bench is the entire content of this course, and it is larger than students expect. Real resistors have tolerances, real supplies have output impedance, real oscilloscope probes load the circuit they measure, and real breadboards have stray capacitance. A student who leaves able to explain why their measurement disagrees with their calculation by four percent has learned the thing worth learning; one who reports the calculated value because the measurement "must have been wrong" has learned the opposite.

⚠ The contact-hour figure is derived — the University of West Florida publishes none

UWF's catalog publishes a credit value in semester hours, the college and department, prerequisites, and a description. It does not publish contact hours, a lecture and laboratory split, or terms of offering for any course. It does publish a material and supply fee notice on the minority of courses that carry one — and maintains a separate Material & Supply and Equipment Fees section of the catalog — so the absence of a fee notice on this entry is meaningful, while the fee amount is not published here. Every contact-hour value in a UWF guide in this repository is therefore derived. The figure here applies the convention established for engineering and science laboratories at UWF — 45 contact hours for 1 semester hour, matching the live EVR2001L and OCE1001L rather than the 30 used for allied-health laboratories. A 1-credit engineering laboratory meeting three hours a week for a fifteen-week term reaches 45, which is the usual shape. Confirm the meeting schedule with the department.

Learning Outcomes

Required Outcomes

• Operate a digital multimeter for voltage, current, and resistance measurement.
• Operate a regulated DC power supply, including current limiting.
• Operate a function generator and set amplitude, frequency, and offset correctly.
• Operate an oscilloscope: triggering, timebase, coupling, and vertical scaling.
• Use oscilloscope probes correctly, including compensation and the effect of probe loading.
• Construct circuits on a breadboard from a schematic.
• Read resistor and capacitor markings and identify component tolerance.
• Verify Ohm's law and Kirchhoff's laws experimentally.
• Verify Thevenin and Norton equivalents experimentally.
• Verify the superposition principle experimentally.
• Verify maximum power transfer experimentally.
• Measure RC and RL transient response and extract the time constant.
• Measure the frequency response of a passive filter.
• Measure phase difference between two signals.
• Measure resonance in an RLC circuit.
• Compare measured results against theoretical prediction and account for the difference.
• Estimate and report measurement uncertainty.
• Keep a laboratory notebook that another engineer could work from.
• Write a technical laboratory report with correct figures, tables, and units.
• Apply electrical laboratory safety practice.

Optional Outcomes

• Use circuit simulation to predict results before measuring them.
• Measure operational amplifier circuit behaviour.
• Use a bench LCR meter for component characterisation.
• Perform basic troubleshooting of a non-functioning circuit.
• Solder a simple through-hole assembly.

Major Topics

Required Topics

• Laboratory safety and bench practice
• Digital multimeter operation
• DC power supplies and current limiting
• Function generators
• Oscilloscope operation and triggering
• Probes, probe compensation, and loading
• Breadboard construction from schematics
• Component identification and tolerance
• Ohm's law and Kirchhoff's laws
• Thevenin and Norton equivalents
• Superposition
• Maximum power transfer
• RC and RL transients and time constants
• Passive filter frequency response
• Phase measurement
• RLC resonance
• Measurement uncertainty and error analysis
• Laboratory notebooks
• Technical report writing

Optional Topics

• Simulation as pre-laboratory prediction
• Operational amplifier circuits
• LCR meters and component characterisation
• Troubleshooting method
• Soldering

Resources & Tools

• The department's bench equipment — covered by the material and supply fee, and the reason to use scheduled laboratory hours fully rather than rushing.
• The instrument manuals — free from Keysight, Tektronix, Rigol and others. Reading the manual for the oscilloscope on your bench is the highest-return hour in this course, and almost no student does it.
• Keysight and Tektronix oscilloscope tutorials (the XYZs of Oscilloscopes is the classic) — free, and genuinely good.
• LTspice — free; simulate the experiment before the session and you will know immediately when a measurement is wrong.
• A personal component kit — inexpensive, and useful for practising outside scheduled hours.
• A bound laboratory notebook — required in most sections, and the habit is a professional one; engineering notebooks are legal records in patent and failure-investigation contexts.
• Nilsson and Riedel or whichever text supports EEL3111 — the theory this laboratory verifies.
• IEEE student membership — inexpensive, and the student branch at UWF is worth joining early.

Career Pathways

• Electrical and electronics engineers — SOC 17-2071 and 17-2072; bench competence is what distinguishes a new graduate who is useful in week one from one who is not.
• Electrical and electronic engineering technologists and technicians — SOC 17-3023; this is the core skill set of the role.
• Test and measurement engineering — a substantial and frequently overlooked career, and this course is its foundation.
• Hardware validation and manufacturing test — every hardware company needs people who can find out why the board does not work.
• Florida defence and aerospace test roles — L3Harris, Lockheed Martin, Northrop Grumman, and the naval test activity at NSA Panama City and Eglin Air Force Base, both within UWF's region.
• Utility and power system field engineering — Gulf Power and Florida Power & Light.
• Field service engineering — travel-heavy, well paid, and hungry for people who can diagnose hardware.

Special Information

⚠⚠ The asterisk in a UWF prerequisite means the course may be taken at the same time

• UWF's catalog marks a concurrent course with an asterisk, defined on the catalog's Course Information page as: "This course may be taken prior to or during the same term."
• ⚠ This is the single most useful piece of notation in the UWF engineering catalog, and it is easy to miss. A prerequisite written without an asterisk must be completed first; one written with an asterisk may be taken in the same term.
• The practical effect is on time to degree. Reading an asterisked prerequisite as a hard prerequisite adds a term to the sequence for no reason, and in a tightly chained major like electrical engineering that error compounds down the whole plan.
• Confirm with an advisor before relying on it, and note that the registration system, not the catalog text, is what actually enforces the rule.

⚠⚠ The prerequisite is asterisked — take the lecture and this laboratory together

• UWF publishes the prerequisite as EEL3111*, and the asterisk means Circuits I may be taken prior to or during the same term.
• Taking them together is the intended pattern, and it is what the split-course structure is designed for — the laboratory verifies the theory in roughly the week it is taught.
• ⚠ Reading the prerequisite as sequential costs a term, and in a chained engineering plan that delay propagates all the way to graduation.
• Confirm with an advisor, since registration enforcement and catalog text are separate things.

⚠⚠ EEL3111 lists this laboratory in return — the pair is bound together

• UWF lists EEL3111L* among the prerequisites for EEL3111, as well as listing EEL3111* here. The requirement runs in both directions.
• ⚠ The practical effect is that the pair is effectively a single unit — a student normally enrols in both in the same term, and taking the lecture without this laboratory is not the intended path.
• ⚠⚠ This is the strongest form of split-course binding in the UWF catalog, and it is the clearest evidence that the lecture and laboratory are two halves of one course. Budget for 4 semester hours total, not 3.

⚠⚠ UWF splits lecture from laboratory where many Florida institutions use one integrated C course

• UWF runs this material as a separate lecture and a separate laboratory, each with its own SCNS number and its own credit. Many other Florida institutions carry the same content in a single integrated C-suffix course.
• ⚠ The two are different SCNS numbers and SCNS equivalency does not cross numbers. A student transferring an integrated C course into UWF, or a UWF lecture-plus-lab pair out to an institution that runs the C variant, should expect the evaluation to be done by hand rather than automatically.
• Take the pair together where the department intends it. The asterisk notation described above usually permits exactly that.
• ⚠ Carry a syllabus when transferring either half. Half of an integrated course is the hardest case for a receiving evaluator to resolve from a transcript line alone.

⚠ A material and supply fee is assessed for this course

• UWF publishes a fee notice on this entry but not the amount. The amount is in the catalog's separate Material & Supply and Equipment Fees section, and it is charged in addition to tuition.
• ⚠ Budget for it. Laboratory fees are billed with tuition and are not always visible when a student estimates the cost of a term from credit hours alone.
• Check whether the fee covers consumables you would otherwise buy — components, boards, and kits are frequently included, which changes the real cost comparison.

⚠⚠ A published exclusion rule that does not name this course — verify it

• UWF's entry for EEL3111L states: "Credit may not be received in both EEL 3117L and EEL 3303L." That is reproduced here exactly as published.
• ⚠⚠ Neither number named in the rule is EEL3111L, and neither EEL3117L nor EEL3303L appears anywhere else in UWF's published EEL course list. The rule as printed governs two courses UWF does not appear to offer.
• The most likely explanation is a stale or misplaced sentence in the catalog entry — a rule retained from a previous numbering scheme, or attached to the wrong course.
• ⚠ It is reported here rather than interpreted, because guessing at what it was meant to say would be worse than stating the anomaly. A student who has taken a circuits laboratory elsewhere under either number should raise it with an advisor explicitly, and anyone relying on the rule should confirm the current position with the department rather than with the catalog.

⚠⚠ Electrical laboratory safety is not a formality

• Benchtop supplies at the voltages used in an introductory electrical laboratory are generally not lethal, and they are entirely capable of causing burns, destroying components, and starting fires. Treat the bench as live.
• ⚠ Electrolytic capacitors fail violently when reverse-biased or over-volted, and the failure is loud, hot, and sudden. Check polarity before applying power, every time.
• ⚠⚠ Charged capacitors hold energy after the supply is switched off. Discharge them deliberately rather than assuming a powered-down circuit is a safe one.
• Current-limit the supply before energising an unfamiliar circuit. It is the single habit that prevents most component losses, and it costs nothing.
• Never work alone on an energised bench, and know where the disconnect is before you need it.
• ⚠ Eye protection matters more than students expect — component failures throw material.

⚠ How to get value out of a 1-credit laboratory

• Predict before you measure. Compute the expected value, or simulate it, before switching on. A measurement with no prediction to compare against teaches nothing, and it is the difference between doing the experiment and watching it happen.
• ⚠ Disagreement between measurement and theory is the finding, not a failure. Tolerance, loading, and instrument accuracy all have magnitudes that can be estimated — do the estimate rather than writing "human error."
• ⚠⚠ Never adjust data to match the prediction. It is straightforward for an instructor to detect, it is academic misconduct, and the habit is fatal in professional practice, where fabricated test data gets people hurt.
• Record what you actually did, including the settings, the equipment serial numbers where they matter, and the things that went wrong. A notebook you cannot reconstruct the experiment from is not a notebook.
• The credit-to-effort ratio is poor and the value is high. One credit, a full weekly session, and a report each time — but employers screen for exactly this, and the theory course alone does not supply it.

FE exam relevance

The Fundamentals of Engineering (FE) exam is the first step toward Professional Engineer licensure, and in Florida it is administered under the Florida Board of Professional Engineers. Most students take the FE Electrical and Computer exam in their final year. Licensure matters less in electrical engineering than in civil — the industrial exemption means most electrical engineers in manufacturing and product work never need a PE — but it is required for consulting practice, for sealing designs, and for power and building-systems work, which is exactly where Florida's utility and infrastructure employment sits.

Course format and position in the curriculum

• Scheduled laboratory sessions with pre-laboratory preparation and written reports.
• Taken alongside EEL3111 Circuits I, normally in the second year.
• ⚠ The 45-hour figure assumes a three-hour weekly session across a fifteen-week term, which is the standard shape for a 1-credit engineering laboratory. UWF publishes no hours, so confirm the actual session length with the department.
• A material and supply fee is assessed, with the amount published separately.

How Florida course levels affect transfer

The first digit of an SCNS number denotes the year of offering, not transferability. Courses at the 1000 and 2000 levels transfer transparently between Florida public institutions, and 3000 to 4000 is unproblematic since both are upper division. The boundary that actually matters is 2000 to 3000, where lower-division credit generally cannot satisfy an upper-division requirement. ⚠ For engineering specifically, ABET-accredited programmes commonly require that upper-division engineering coursework be taken in residence, so transferability of the credit and applicability to the degree are separate questions.

EEL3111L is 1 semester hour at the University of West Florida. Because UWF splits this material from the lecture while many Florida institutions carry it as the integrated EEL3111C, students transferring in either direction should carry a syllabus.