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133+ Free REE Board Exam Practice Questions

Prepare for the PRC Registered Electrical Engineer (REE) Licensure Examination exam with instant access — no signup required.

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2026 Statistics

Key Facts: REE Board Exam Exam

70%

Passing GWA

PRC / RA 7920

45%

Professional Weight

PRC TOS

3

Exam Subjects

PRC TOS

2 days

Exam Duration

PRC

RA 7920

Governing Law

PRC

50%

Minimum Per Subject

PRC

The REE board exam has three subjects weighted Mathematics 25%, Engineering Sciences and Allied Subjects 30%, and Electrical Engineering Professional Subjects 45%. It is administered by the PRC Board of Electrical Engineering under RA 7920 over two days. To pass, candidates need a general weighted average of at least 70% with no subject rating below 50%. Coverage includes circuits, machines, power transmission and distribution, protection, illumination, and the Philippine Electrical Code Parts 1 and 2.

Sample REE Board Exam Practice Questions

Try these sample questions to test your REE Board Exam exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 133+ question experience with AI tutoring.

1In the REE board exam, the three major subjects are weighted Mathematics 25%, Engineering Sciences and Allied Subjects 30%, and Electrical Engineering Professional Subjects 45%. If a candidate scores 60, 75, and 80 in these subjects respectively, what is the general weighted average?
A.76.25
B.70.0
C.73.5
D.71.75
Explanation: The general weighted average (GWA) = 0.25(60) + 0.30(75) + 0.45(80) = 15 + 22.5 + 36 = 73.5. The PRC weights each subject by its share of the table of specifications before averaging.
2Solve for x: log base 2 of (x) plus log base 2 of (x - 6) = 4.
A.10
B.-2
C.16
D.8
Explanation: Combine logs: log2[x(x-6)] = 4, so x(x-6) = 2^4 = 16, giving x^2 - 6x - 16 = 0, which factors to (x-8)(x+2)=0. Only x = 8 is valid because the argument of a logarithm must be positive (x-6 > 0 requires x > 6).
3What is the derivative with respect to t of v(t) = 10 sin(377t + pi/6) volts, where the sine argument is in radians?
A.3770 cos(377t + pi/6) V/s
B.10 cos(377t + pi/6) V/s
C.3770 sin(377t + pi/6) V/s
D.377 cos(377t)
Explanation: By the chain rule, d/dt [10 sin(377t + pi/6)] = 10(377) cos(377t + pi/6) = 3770 cos(377t + pi/6) V/s. The constant phase pi/6 is 30 degrees, and 377 rad/s is approximately 2*pi*60 rad/s.
4Evaluate the integral of i(t) = 5 e^(-2t) amperes from t = 0 to t = infinity to find the total charge in coulombs.
A.10 C
B.1.25 C
C.2.5 C
D.5 C
Explanation: Charge Q = integral of 5 e^(-2t) dt from 0 to infinity = [-5/2 e^(-2t)] from 0 to infinity = 0 - (-5/2) = 2.5 C. The integral of e^(-at) from 0 to infinity equals 1/a.
5Express the complex number 5 + j5 in polar form (magnitude and angle).
A.10 angle 45 degrees
B.7.07 angle 30 degrees
C.5 angle 45 degrees
D.7.07 angle 45 degrees
Explanation: Magnitude = sqrt(5^2 + 5^2) = sqrt(50) = 7.07; angle = arctan(5/5) = 45 degrees. Polar form is therefore 7.07 angle 45 degrees, used routinely in AC phasor analysis.
6A bag contains 4 red and 6 blue resistors. If two are drawn at random without replacement, what is the probability that both are red?
A.2/15
B.4/25
C.1/5
D.6/45
Explanation: P(both red) = (4/10)(3/9) = 12/90 = 2/15. The second draw uses 3 remaining red of 9 total because there is no replacement.
7What is the Laplace transform of the unit step function delayed by 'a' seconds, u(t - a)?
A.e^(-as)
B.s e^(-as)
C.e^(-as)/s
D.1/s
Explanation: By the time-shifting (second shift) theorem, L{u(t-a)} = e^(-as) * (1/s) = e^(-as)/s. The factor e^(-as) accounts for the delay and 1/s is the transform of the unit step.
8For the system 4x + y = 9 and x + 3y = 7, start the Jacobi iterative method with x^(0) = 0 and y^(0) = 0. What is the first iterate (x^(1), y^(1)), rounded to two decimal places?
A.(1.75, 3.00)
B.(2.25, 1.58)
C.(2.33, 2.25)
D.(2.25, 2.33)
Explanation: Rearrange the equations as x = (9 - y)/4 and y = (7 - x)/3. Jacobi iteration evaluates both right-hand sides using only the previous iterate, so x^(1) = (9 - 0)/4 = 2.25 and y^(1) = (7 - 0)/3 = 2.333..., giving (2.25, 2.33).
9A general solution of the differential equation dy/dx + 2y = 0 is which of the following?
A.y = C e^(-2x)
B.y = C e^(2x)
C.y = C x^(-2)
D.y = 2C x
Explanation: This is a first-order linear homogeneous ODE; its characteristic root is -2, so y = C e^(-2x). Such decaying exponentials describe RL and RC transient responses.
10What is the angle, in radians, equivalent to 270 degrees?
A.2*pi/3
B.5*pi/4
C.3*pi/2
D.pi/2
Explanation: Convert degrees to radians by multiplying by pi/180: 270 * pi/180 = 3*pi/2 radians. This corresponds to three-quarters of a full revolution.

About the REE Board Exam Exam

The Registered Electrical Engineer (REE) Licensure Examination is the objective written board exam administered by the PRC Board of Electrical Engineering under Republic Act No. 7920. It is held twice yearly (typically April and September) over two days and covers three subjects: Mathematics, Engineering Sciences and Allied Subjects, and Electrical Engineering Professional Subjects. The higher Professional Electrical Engineer (PEE) tier is a separate interview and technical-report evaluation and is not part of this objective REE exam.

Assessment

Question count not published by the exam provider

Time Limit

Two examination days

Passing Score

70% general weighted average, no grade below 50%

Exam Fee

Approximately PHP 900 (PRC schedule of fees) (Professional Regulation Commission (PRC) - Board of Electrical Engineering)

REE Board Exam Exam Content Outline

25%

Mathematics

Algebra, trigonometry, analytic geometry, calculus, differential equations, complex numbers, probability and statistics, matrices, power series, Fourier analysis, and Laplace transforms

30%

Engineering Sciences and Allied Subjects

Chemistry, physics, computer fundamentals, engineering materials/mechanics/economics/management, strength of materials, thermodynamics, fluid mechanics, RA 7920, ethics, and the Philippine Electrical Code

45%

Electrical Engineering Professional Subjects

Electric circuits, electronics, energy conversion, machines, transmission and distribution, instrumentation, circuit and line protection, control systems, communications, power plant, illumination, and building wiring

How to Pass the REE Board Exam Exam

What You Need to Know

  • Passing score: 70% general weighted average, no grade below 50%
  • Assessment: Question count not published by the exam provider
  • Time limit: Two examination days
  • Exam fee: Approximately PHP 900 (PRC schedule of fees)

Keys to Passing

  • Work through all 133 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

REE Board Exam Study Tips from Top Performers

1Weight your review by subject share: Professional Subjects (45%) and ESAS (30%) carry the most points
2Memorize key Philippine Electrical Code rules: minimum 2.0 mm2 branch conductors and the 125% continuous-load rule
3Master three-phase relationships - wye vs delta line/phase voltage and current with the sqrt(3) factor
4Drill machine fundamentals: synchronous speed (120f/P), transformer turns ratio, and induction-motor slip
5Practice complex-number and phasor algebra for AC circuit and power-factor problems
6Know RA 7920 license classes (REE, PEE, RME) and the Code of Ethics for the law and ethics items
7Solve timed mock boards to build pacing across the two-day objective format
8Review engineering economics factors (compound interest, break-even) for the allied-subjects portion

Frequently Asked Questions

What is the passing score for the REE board exam?

To pass the Registered Electrical Engineer (REE) licensure examination, a candidate must obtain a general weighted average of at least 70% with no grade below 50% in any of the three subjects. The subjects are weighted Mathematics 25%, Engineering Sciences and Allied Subjects 30%, and Electrical Engineering Professional Subjects 45%.

What subjects are covered in the REE board exam?

The REE exam covers three subjects over two days: Mathematics (25%), Engineering Sciences and Allied Subjects (30%), and Electrical Engineering Professional Subjects (45%). Topics span calculus, complex numbers, physics, the Philippine Electrical Code, electric circuits, electrical machines, power transmission and distribution, protection, control systems, illumination, and building wiring.

How often is the REE licensure examination given?

The PRC Board of Electrical Engineering administers the REE exam twice a year, traditionally in April and September. The April 2026 examination was held on April 21-22, 2026, and the next administration is scheduled for September 5-6, 2026, in Manila and other testing centers.

What law governs the REE licensure in the Philippines?

Republic Act No. 7920, known as the New Electrical Engineering Law, governs the regulation and practice of electrical engineering in the Philippines. It establishes three classes of professionals: Registered Electrical Engineer (REE), Professional Electrical Engineer (PEE), and Registered Master Electrician (RME), and empowers the PRC Board of Electrical Engineering to set the exam syllabi.

Is the REE the same as the Professional Electrical Engineer (PEE)?

No. The REE is the objective written board examination taken by new electrical engineering graduates. The Professional Electrical Engineer (PEE) is a higher credential obtained later through qualifying experience and a separate technical interview and report evaluation, not through this multiple-choice board exam.

Which edition of the Philippine Electrical Code is tested?

The REE exam tests the current Philippine Electrical Code (PEC) Parts 1 and 2. Part 1 covers premises wiring and protection for buildings, while Part 2 covers electric utility supply systems and outside wiring. Candidates should be familiar with conductor sizing, overcurrent protection, grounding, and branch-circuit requirements.