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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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EC ENGR 101A · EE 101AEngineering Electromagnetics

Electrical and Computer Engineering · 4 units · Undergraduate upper division (100-199)

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Electromagnetic field concepts, waves and phasors, transmission lines and Smith chart, transient responses, vector analysis, introduction to Maxwell equations, static and quasi-static electric and magnetic fields.

Letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Requisites: Mathematics 32A and 32B, or 33A and 33B, Physics 1C.

BruinTree reads · Prerequisite

needs reviewconfidence 0.75 · from text
one of
  • all of
    • MATH 32A
    • MATH 32B
  • all of
    • MATH 33A
    • MATH 33B
    • PHYSICS 1C
  • · mixed comma-level AND/OR in "Mathematics 32A and 32B, or 33A and 33B, Physics 1C" — grouping is a best reading

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About EC ENGR 101A. 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.

EC ENGR 101A

  • MATH 32ACalculus of Several Variables
    • MATH 31ADifferential and Integral Calculus
      • MATH 1Precalculus
  • PHYSICS 1CPhysics for Scientists and Engineers: Electrodynamics, Optics, and Special Relativity
    • MATH 32ACalculus of Several Variablesanother path to it
    • PHYSICS 1APhysics for Scientists and Engineers: Mechanics
      • MATH 31ADifferential and Integral Calculusanother path to it
      • MATH 31BIntegration and Infinite Seriesanother path to it
      • MATH 32ACalculus of Several Variablesanother path to it
    • MATH 32BCalculus of Several Variablesanother path to it
    • PHYSICS 1BPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields
      • MATH 31BIntegration and Infinite Seriesanother path to it
      • PHYSICS 1APhysics for Scientists and Engineers: Mechanicsanother path to it
      • MATH 32ACalculus of Several Variablesanother path to it
    • MATH 33ALinear Algebra and Applicationsanother path to it
  • MATH 32BCalculus of Several Variables
    • MATH 31BIntegration and Infinite Series
      • MATH 31ADifferential and Integral Calculusanother path to it
    • MATH 32ACalculus of Several Variablesanother path to it
  • MATH 33ALinear Algebra and Applications
    • MATH 3BCalculus for Life Sciences Students
      • MATH 3ACalculus for Life Sciences Students
    • MATH 31BIntegration and Infinite Seriesanother path to it
    • MATH 32ACalculus of Several Variablesanother path to it
  • MATH 33BDifferential Equations
    • MATH 31BIntegration and Infinite Seriesanother path to it

5 direct requisites. The whole upstream is here — 26 courses over 3 levels. Every course here opens its own tree.

Unlocks

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

EC ENGR 101A

  • EC ENGR 101BElectromagnetic Waves
    • EC ENGR 162AWireless Communication Links and Antennas
      • EC ENGR 260AAdvanced Engineering Electrodynamicsanother path to it
      • EC ENGR 260BAdvanced Engineering Electrodynamicsanother path to it
      • EC ENGR 262Antenna Theory and Design
      • EC ENGR 266Computational Methods for Electromagneticsanother path to it
    • EC ENGR 163AIntroductory Microwave Circuits
      • EC ENGR 261Microwave and Millimeter Wave Circuits
      • EC ENGR 266Computational Methods for Electromagnetics
    • EC ENGR 163CFundamental Principles of Radiofrequency and Microwave Systems
    • EC ENGR 163DAMicrowave and Wireless Design Ianother path to it
    • EC ENGR 163DBMicrowave and Wireless Design IIanother path to it
    • EC ENGR 260AAdvanced Engineering Electrodynamics
      • EC ENGR 260BAdvanced Engineering Electrodynamicsanother path to it
      • EC ENGR 263Reflector Antennas Synthesis, Analysis, and Measurementanother path to it
    • EC ENGR 260BAdvanced Engineering Electrodynamics
      • EC ENGR 263Reflector Antennas Synthesis, Analysis, and Measurement
  • EC ENGR 163DAMicrowave and Wireless Design I
    • EC ENGR 163DBMicrowave and Wireless Design IIanother path to it
  • EC ENGR 163DBMicrowave and Wireless Design II
  • EC ENGR 170APrinciples of Photonics
    • EC ENGR 170BLasers and Photonic Devices
      • EC ENGR 274Optical Communication and Sensing Designanother path to it
    • EC ENGR 271Classical Laser Theory
      • EC ENGR 272Dynamics of Lasers
    • EC ENGR 273Nonlinear Photonics
    • EC ENGR 274Optical Communication and Sensing Design
  • EC ENGR 170CPhotonic Sensors and Solar Cells
  • EC ENGR 173DAPhotonics and Communication Design
    • EC ENGR 173DBPhotonics and Communication Designanother path to it
  • EC ENGR 173DBPhotonics and Communication Design
  • EC ENGR 176Photonics in Biomedical Applications
  • EC ENGR 285APlasma Waves and Instabilities
    • EC ENGR 285BAdvanced Plasma Waves and Instabilities

9 courses list this as a requisite. The whole downstream is here — 34 courses over 3 levels. Every course here opens its own tree.

  • Fall 2025
  • Winter 2026
  • Fall 2026
  • Winter 2027

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