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EC ENGR 3 · EE 3Introduction to Electrical Engineering

Electrical and Computer Engineering · 4 units · Undergraduate lower division (0-99)

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Introduction to field of electrical engineering. Basic circuits techniques with application to explanation of electrical engineering inventions such as telecommunications, electrical grid, automatic computing and control, and enabling device technology. Research frontiers of electrical engineering. Introduction to measurement and design of electrical circuits.

Letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

UCLA lists no requisites for this course.

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About EC ENGR 3. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

Nothing — this is an entry point.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

EC ENGR 3

  • EC ENGR 10Circuit Theory I
    • EC ENGR 11LCircuits Laboratory I
      • EC ENGR 10Circuit Theory Ianother path to it
      • EC ENGR 10HCircuit Theory I (Honors)another path to it
      • EC ENGR 111LCircuits Laboratory IIanother path to it
    • EC ENGR 110Circuit Theory II
      • EC ENGR 110LCircuit Measurements Laboratory
      • EC ENGR 111LCircuits Laboratory IIanother path to it
      • EC ENGR 112Introduction to Power Systems
      • EC ENGR 115AAnalog Electronic Circuits I3 more beyond
      • EC ENGR C115PPower Electronics
      • EC ENGR 184DAIndependent Group Project Design
      • EC ENGR 184DBIndependent Group Project Design
      • EC ENGR C215PPower Electronics
    • EC ENGR 110HCircuit Theory II (Honors)
    • EC ENGR 111LCircuits Laboratory II
      • EC ENGR 110Circuit Theory IIanother path to it
      • EC ENGR 110HCircuit Theory II (Honors)another path to it
      • EC ENGR 115ALAnalog Electronics Laboratory I
  • EC ENGR 10HCircuit Theory I (Honors)

2 courses list this as a requisite. Showing 20 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

  • Fall 2025
  • Spring 2026
  • Summer 2026
  • Fall 2026
  • Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.