RRB Technician Basic Science & Engineering Syllabus 2026

The RRB Technician Basic Science & Engineering Syllabus 2026 is one of the most important sections for candidates applying for the RRB Technician Grade I Signal post. It covers the core engineering concepts that are tested in the Computer-Based Test (CBT), including Physics, Electricity & Magnetism, and Electronics.

Before you begin your preparation, you should go through the complete syllabus to understand exactly what topics are included in the examination. Studying according to the official RRB Technician syllabus helps you build a focused preparation strategy, prioritize important concepts, and avoid spending time on topics that are not part of the exam.

RRB Technician Basic Science & Engineering Syllabus 2026 Topic-Wise

RRB Technician Exam Pattern for Grade I Signal CBT includes five key sections: General Awareness, General Intelligence & Reasoning, Basics of Computers and Applications, Mathematics, and Basic Science & Engineering. 

Among these, Basic Science & Engineering carries the highest weightage of 35 marks out of 100, making it one of the most important scoring sections in the exam. The official syllabus for Basic Science & Engineering can be divided into four major sections:

Physics Fundamentals

This section covers the basic concepts of mechanics and thermal physics that form the foundation of engineering studies. Topics include:

• Units

• Measurements

• Mass

• Weight

• Density

• Work

• Power

• Energy

• Speed

• Velocity

• Heat

• Temperature

Electricity and Magnetism

This section focuses on fundamental electrical and magnetic concepts commonly used in engineering applications. The official topics are:

• Electric Charge

• Electric Field and Field Intensity

• Electric Potential

• Potential Difference

• Simple Electric Circuits

• Conductors

• Non-conductors (Insulators)

• Ohm's Law and its Limitations

• Resistance in Series and Parallel

• Specific Resistance

• Relation between Electric Potential, Energy and Power (Wattage)

• Ampere's Law

• Magnetic Force on Moving Charged Particles

• Magnetic Force on Long Straight Conductors

• Electromagnetic Induction

• Faraday's Law

• Electromagnetic Flux

• Magnetic Field

• Magnetic Induction

Electronics

This section tests your understanding of basic electronic devices and digital systems used in modern engineering. Topics covered are:

• Basic Electronics

• Digital Electronics

• Electronic Devices

• Electronic Circuits

• Microcontroller

• Microprocessor

Electronic Measurements

Questions from this section evaluate your knowledge of measuring instruments and electronic measurement principles. The syllabus includes:

• Electronic Measurements

• Measuring Systems

• Measuring Principles

• Range Extension Methods

• Cathode Ray Oscilloscope (CRO)

• LCD

• LED Panel

• Transducers

RRB Technician Basic Science & Engineering Syllabus PDF

Before starting your preparation, it is important to download and review the RRB Technician Basic Science & Engineering Syllabus 2026 PDF. Referring to the official syllabus allows you to focus only on the topics that are actually asked in the examination, making your preparation more structured and efficient.

The PDF includes the complete list of subjects covered under Basic Science & Engineering, including Physics Fundamentals, Electricity & Magnetism, Electronics, and Electronic Measurements. 

RRB Technician Basic Science & Engineering Syllabus PDF

RRB Technician Basic Science & Engineering Exam Pattern (Grade 1 Signal CBT)

The Basic Science & Engineering section in the RRB Technician Grade I (Signal) CBT exam is the highest-weighted technical section. 

How to Prepare the RRB Technician Basic Science & Engineering Syllabus

Preparing this section becomes easier when you follow a comprehensive approach instead of studying topics randomly.

• Start with the official syllabus so you know exactly what needs to be covered.

• Build your fundamentals first, especially in Physics and basic electrical concepts, before moving to Electronics.

• Study one section at a time to improve conceptual clarity and reduce confusion between topics.

• Practise previous year questions and mock tests to understand the type and difficulty level of questions asked in the CBT.

• Revise formulas, laws, and definitions regularly, as many questions are based on core engineering concepts.

• Prepare short revision notes for important laws such as Ohm's Law, Faraday's Law, Ampere's Law, and commonly used electronic devices for quicker revision before the exam.