電験三種 理論 過去問 2026 一問一答

This exam preparation app allows you to study past questions from the Third-Class Electrical Chief Engineer (Denken) Theory subject in a question-and-answer format. It includes over 300 questions from the last 10 years of actual exams, with clear explanations for every question. It covers the entire scope of DC circuits, AC circuits, three-phase AC, electromagnetism, electrostatics, electronic theory, and electrical measurement, supporting self-study for passing the Third-Class Electrical Chief Engineer (Denken) Theory subject.


■ Recommended for those who:
・Are studying independently to pass the Electrical Engineer 3rd Class Theory subject exam.
・Want to practice past exam questions on their smartphone during spare time such as commuting to work or school.
・Are looking for a free Electrical Engineer 3rd Class study app or problem set.
・Want to efficiently prepare for the exam by year (first half/second half) and by theme.
・Want to thoroughly understand how to solve calculation problems with explanations and AI questions.
・Want to conquer the Electrical Engineer 3rd Class subject by subject, along with Power, Machinery, and Regulations.

■ Main Features
・Includes over 300 questions from the past 10 years (all questions with explanations).
・Efficient learning in spare time with a question-and-answer format.
・AI answers your questions on the spot.
・Automatically detects and prioritizes weak areas.
・Displays the correct answer rate based on all users' answer data.
・Allows you to select the practice range by year (first half/second half).

■ Included Subjects and Exam Scope
The app includes all 7 areas of the Electrical Engineer 3rd Class Theory subject scope. As it is a subject-specific app, you can concentrate on studying only the Theory subject. You can select the practice range by year (first half/second half), allowing you to repeatedly practice the past 10 years' worth of actual exam questions by subject area.

* DC Circuits: Practice frequently tested topics such as Ohm's Law, Kirchhoff's Laws, and Thevenin's Theorem.
* AC Circuits: Learn RLC AC circuit calculation problems with explanations.
* Three-Phase AC: Includes topics that appear every year, such as three-phase Y/Δ connections.
* Electrostatics: Prepare for Coulomb's Law, Gauss's Theorem, and capacitor questions using past exam questions.
* Electromagnetism: Practice frequently tested topics such as electromagnetic induction and magnetic circuits.
* Electronic Theory: Covers questions on diodes, transistors, and operational amplifiers.
* Electrical Measurement: Prepare for questions on the principles of various measuring instruments with explanations.
By focusing on the topics that appear every year, you can efficiently aim for the passing score of the Class 3 Electrical Engineer Theory exam. Weak topics are automatically detected and prioritized, and the correct answer rate based on all users' answer data allows you to see at a glance which questions other test-takers tend to get wrong.

■ AI Question Function
You can ask the AI ​​questions about calculation procedures and the application of laws that you don't understand even after reading the explanations. You'll receive answers tailored to your level, such as "The concept of combined impedance" and "The meaning of phasor notation."

■ A system that makes learning easy to continue
- Make learning a habit with "Today's Question" delivered daily
- Study together with peers in the league-based ranking system
- Track your learning progress with graphs

Download for free and start preparing for the Class 3 Electrical Engineer Theory exam today. You can aim for success even through self-study by accumulating practice with past questions in your spare time. You can study anytime, anywhere with just your smartphone.

■ Terms of Use (EULA)
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/