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PHYSICS 4BL · PHYS 4BLPhysics Laboratory for Scientists and Engineers: Electricity and Magnetism

Physics · 2 units · Undergraduate lower division (0-99)

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Sound waves and electric circuits, taken by digital oscilloscopes and analyzed by Fourier transformation. Geometrical and physical optics. Conception, execution, and presentation of creative projects involving sound waves or electric circuits.

Letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Enforced requisites: courses 1A or 1AH, 1B or 1BH. Enforced corequisite: course 1C or 1CH.

BruinTree reads · Prerequisite

confidence 1.00 · from text
all of
  • one of
    • PHYSICS 1A
    • PHYSICS 1AH
  • one of
    • PHYSICS 1B
    • PHYSICS 1BH

BruinTree reads · Corequisite

confidence 1.00 · from text
one of
  • PHYSICS 1C
  • PHYSICS 1CH

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About PHYSICS 4BL. 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.

PHYSICS 4BL

  • PHYSICS 1APhysics for Scientists and Engineers: Mechanics
    • MATH 31ADifferential and Integral Calculus
      • MATH 1Precalculus
    • MATH 31BIntegration and Infinite Series
      • MATH 31ADifferential and Integral Calculusanother path to it
    • MATH 32ACalculus of Several Variables
      • MATH 31ADifferential and Integral Calculusanother path to it
  • PHYSICS 1AHPhysics for Scientists and Engineers: Mechanics (Honors)
    • 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 Variables
      • MATH 31BIntegration and Infinite Seriesanother path to it
      • MATH 32ACalculus of Several Variablesanother path to it
  • PHYSICS 1BPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields
    • PHYSICS 1APhysics for Scientists and Engineers: Mechanicsanother path to it
    • MATH 31BIntegration and Infinite Seriesanother path to it
    • MATH 32ACalculus of Several Variablesanother path to it
  • PHYSICS 1BHPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields (Honors)
    • PHYSICS 1APhysics for Scientists and Engineers: Mechanicsanother path to it
    • PHYSICS 1AHPhysics for Scientists and Engineers: Mechanics (Honors)another path to it
    • MATH 31BIntegration and Infinite Seriesanother path to it
    • MATH 33ALinear Algebra and Applications
      • MATH 3BCalculus for Life Sciences Students1 more beneath
      • MATH 31BIntegration and Infinite Seriesanother path to it
      • MATH 32ACalculus of Several Variablesanother path to it
  • PHYSICS 1CPhysics for Scientists and Engineers: Electrodynamics, Optics, and Special Relativity
    • PHYSICS 1APhysics for Scientists and Engineers: Mechanicsanother path to it
    • PHYSICS 1BPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fieldsanother path to it
    • MATH 32ACalculus of Several Variablesanother path to it
  • PHYSICS 1CHPhysics for Scientists and Engineers: Electrodynamics, Optics, and Special Relativity (Honors)
    • PHYSICS 1APhysics for Scientists and Engineers: Mechanicsanother path to it
    • PHYSICS 1AHPhysics for Scientists and Engineers: Mechanics (Honors)another path to it
    • MATH 32ACalculus of Several Variablesanother path to it
    • MATH 33BDifferential Equations
      • MATH 31BIntegration and Infinite Seriesanother path to it

6 direct requisites. Showing 36 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

Unlocks

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

PHYSICS 4BL

  • PHYSICS 18LModern Physics Laboratory
  • EE BIOL 128Plant Physiological Ecology
  • EPS SCI 136AApplied Geophysics
    • EPS SCI 136BApplied Geophysics
    • EPS SCI 136CField Geophysics
  • PHYSCI 166Animal Physiology
    • EE BIOL 106Experimental Marine Invertebrate Biology
  • EE BIOL 170Animal Environmental Physiology
  • EE BIOL 243Animal Communication

6 courses list this as a requisite. The whole downstream is here — 9 courses over 2 levels. Every course here opens its own tree.

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

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