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FE Electrical and Computer

Circuits, power systems, electronics, signals, controls, communications, and digital/computer systems.

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Straight from the FE Electrical and Computer bank — 1,600+ questions, every one with a full worked solution.

medium
A. DC circuit analysis: KCL/KVL, equivalents, Thevenin & Norton
A voltage divider made of R1=120 ΩR_1=120\,\Omega and R2=300 ΩR_2=300\,\Omega is supplied from a 24 V DC source, with its output taken across R2R_2. A load RL=600 ΩR_L=600\,\Omega is then connected across the output terminals, as shown. The voltage across the load is most nearly:
Figure for this question+−24 VR1 = 120 ΩR2 = 300 ΩRL = 600 Ω

Figure — drag or pinch to move around

  • 15 V (correct answer)
  • 17.1 V
  • 20 V
  • 21.2 V

Worked solution

The load is in parallel with R2R_2, so the lower leg is R2∥RL=300⋅600300+600=200 ΩR_2\|R_L=\dfrac{300\cdot600}{300+600}=200\,\Omega, in series with R1R_1 (Resistors in Series and Parallel, FE Reference Handbook 10.6 p. 363). The source current is I=24120+200=0.075I=\dfrac{24}{120+200}=0.075 A, and Ohm's law across the lower leg gives Vout=I (R2∥RL)=0.075⋅200=15V_{out}=I\,(R_2\|R_L)=0.075\cdot200=15 V. Distractors: the unloaded divider value, loading ignored (24⋅300/420=17.124\cdot300/420=17.1 V); the load placed in series with R2R_2 instead of in parallel (24⋅900/1020=21.224\cdot900/1020=21.2 V); and the load taken as replacing R2R_2 rather than paralleling it (24⋅600/720=2024\cdot600/720=20 V).

Difficulty mix

How this bank splits by our own difficulty rating, from quick wins to multi-step problems.

  • Easy27%
  • Medium47%
  • Hard26%

Study handbook

66 concepts — worked theory, key equations, and common pitfalls for every topic.

Sample concept

Complex Numbers and Phasors

The three equivalent forms of a complex number, Euler's identity, complex arithmetic and roots, and the phasor representation that turns AC circuits into algebra.

Complex numbers are the single most leveraged idea on the FE-ECE: master them and AC circuits, impedance, transfer functions, and the Fourier and Laplace transforms all collapse from calculus into algebra. The whole trick is that a sinusoid v(t)=Vmcos⁡(ωt+ϕ)v(t)=V_m\cos(\omega t+\phi) carries only two pieces of in…
z=a+jb=c ∠θ=c ejθz=a+jb=c\,\angle\theta=c\,e^{j\theta}
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The FE Electrical and Computer exam at a glance

Sourced from NCEES — the numbers, not the folklore.

Questions
110
scored and pretest, one sitting
Exam time
5h 20m
in a 6h appointment · about 2.9 min per question
First-time pass rate
64%
31% for repeat takers · NCEES Squared 2025 (FY2024-25)
NCEES fee
$225
per attempt, paid to NCEES; your state board's fees are separate
Retakes
3 per 12 months
at most one attempt per testing window
Reference on screen
FE Reference Handbook 10.6
closed book: no notes or references of your own

What NCEES says is on it

Every knowledge area in the official FE Electrical and Computer specification, with the number of questions NCEES says each one gets. The four heaviest are about 38% of the exam. Share is our arithmetic, not an NCEES figure: each range's midpoint as a percentage of all the midpoints.

Knowledge areaQuestionsShare
Circuit Analysis (DC and AC Steady State)11–1711%
Mathematics11–1711%
Digital Systems8–128%
Power Systems8–128%
Electronics7–117%
Control Systems6–96%
Communications5–85%
Computer Systems5–85%
Engineering Economics5–85%
Linear Systems5–85%
Signal Processing5–85%
Computer Networks4–64%
Electromagnetics4–64%
Ethics and Professional Practice4–64%
Probability and Statistics4–64%
Properties of Electrical Materials4–64%
Software Engineering4–64%

Sources: NCEES FE Electrical and Computer exam specification (July 2020) · pass rate: NCEES Squared 2025 (FY2024-25) · fee and retake policy: ncees.org, read 2026-09-15. Your state board sets its own fees and deadlines.

How to prepare for FE ECE

Four steps, in the order that pays off — each one built from this exam's own blueprint.

  1. 1

    Study to the blueprint, not the textbook

    Circuit Analysis (DC and AC Steady State), Mathematics, Digital Systems, and Power Systems are about 38% of the exam. Give them that share of your hours — Software Engineering is only 4–6 questions.

    See every area's question range
  2. 2

    Practice one area at a time, then mix

    Work a knowledge area until its worked solutions stop surprising you, then switch to mixed sets so recognizing the problem type becomes the skill.

    Practice FE ECE questions
  3. 3

    Sit timed mock exams at the real pace

    The real exam gives you about 2.9 minutes per question. Full-length timed mocks are the only way to find out whether you can hold that pace for 5h 20m.

    Take a mock exam (with a pass)
  4. 4

    Read what the exam actually asks

    64% pass first time (fourth of seven), and that is the least interesting thing about it. Seventeen knowledge areas spanning two professions, where most candidates are fluent in half the exam.

    How hard is the FE Electrical and Computer exam?

Questions, answered

How hard is the FE Electrical and Computer exam?

NCEES reports a 64% pass rate for first-time takers of FE Electrical and Computer and 31% for repeat takers in NCEES Squared 2025 (FY2024-25). It is 110 questions in 5h 20m, about 2.9 minutes per question, so pacing matters as much as knowledge. The heaviest areas are Circuit Analysis (DC and AC Steady State), Mathematics, Digital Systems, and Power Systems.

What topics are on the FE Electrical and Computer exam?

NCEES's FE Electrical and Computer specification lists 17 knowledge areas with a question range for each. The heaviest are Circuit Analysis (DC and AC Steady State) (11–17 questions), Mathematics (11–17 questions), Digital Systems (8–12 questions), and Power Systems (8–12 questions) — together about 38% of the exam. The full list is in the exam-at-a-glance table on this page.

How long is the FE Electrical and Computer exam?

The FE Electrical and Computer exam is 110 questions in 5h 20m of exam time, inside a 6h appointment that also covers the nondisclosure agreement, the tutorial and a scheduled break. It is a closed-book, computer-based test offered year-round at Pearson VUE test centers.

What reference material do you get on FE Electrical and Computer exam day?

The FE Electrical and Computer exam is closed book. NCEES provides an electronic reference on screen (FE Reference Handbook 10.6). No notes, books or references of your own come into the room; you may bring one NCEES-approved calculator, and an on-screen TI-30XS calculator is also available during the exam. Practicing with that same reference in front of you, so you already know where each method lives, is half the preparation.

How much does the FE Electrical and Computer exam cost, and can you retake it?

The NCEES fee for the FE Electrical and Computer exam is $225, paid per attempt when you register through your MyNCEES account; some state licensing boards also charge their own application fee. NCEES allows one attempt per testing window and no more than three attempts in a 12-month period.

What do I get with FE Electrical and Computer on FE → PE Prep?

1,600+ FE Electrical and Computer practice questions, every one with a step-by-step worked solution; unlimited full-length timed mock exams weighted to the NCEES blueprint; a 66-concept study handbook, 600+ flashcards, and an AI tutor. Access is a one-time pass for 1, 3, 6 or 12 months — no subscription, no auto-renew — and the free sample questions need no account. Within 7 days, with little or no paid content used, you can ask for a refund, which we consider under the Refund Policy.

Free reading for FE ECE

No account needed — pass rates, worked problems, and what the exam actually asks.

Free FE ECE practice problemsReal questions from the bank, with the figures and full worked solutions.Free FE ECE formula sheet180 key equations by exam topic, each with what it is for and its handbook reference.Which FE exam should you take? Other Disciplines vs your majorFE Other Disciplines ties for the lowest first-time pass rate of the seven FE exams, not the highest, and half of it is mechanics. All seven compared on the published specifications.How hard is the FE Electrical and Computer exam?64% pass first time (fourth of seven), and that is the least interesting thing about it. Seventeen knowledge areas spanning two professions, where most candidates are fluent in half the exam.FE Electrical practice problems: the math is the examThree FE Electrical and Computer practice problems worked in full (an RC corner frequency, an aliased tone, an inverting op-amp), and why mathematics ties for the largest knowledge area on this exam and on no other FE exam.

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