RRB JE (Railway Recruitment Board – Junior Engineer) Syllabus 2025

RRB JE (Railway Recruitment Board – Junior Engineer) Syllabus 2025

Electrical capsules सितंबर 19, 2025

 The RRB JE exam has two Computer-Based Tests (CBTs) followed by Document Verification and Medical Examination.

रेलवे के के एग्जाम पैटर्न और उसके क्या सिलेबस है कितने प्रश्न पूछे जाते हैं इसका विवरण हमने नीचे प्रदर्शित किया हुआ है आप देखकर आप अपनी तैयारी को अच्छा कर सकते हैं.

RRB JE Syllabus 2025-

1. CBT – I (Screening Test)

  • Duration: 90 minutes

  • No. of Questions: 100

  • Type: Objective (MCQ)

  • Negative Marking: 1/3 for each wrong answer

Subjects:

  1. Mathematics – 30 Questions

  2. General Intelligence & Reasoning – 25 Questions

  3. General Awareness – 15 Questions

  4. General Science – 30 Questions

2. CBT – II (Main Test)

  • Duration: 120 minutes

  • No. of Questions: 150

  • Negative Marking: 1/3 for each wrong answer

Subjects:

  1. General Awareness – 15 Questions

  2. Physics & Chemistry (up to 10th/12th standard) – 15 Questions

  3. Basics of Computer and Applications – 10 Questions

  4. Basics of Environment and Pollution Control – 10 Questions

  5. Technical Abilities (Based on Engineering Discipline) – 100 Questions

📚 Detailed Syllabus

CBT – I

1. Mathematics (30 Qs)

  • Number System, BODMAS

  • Decimals, Fractions, LCM, HCF

  • Ratio & Proportion, Percentages, Mensuration

  • Time & Work, Time & Distance

  • Simple & Compound Interest, Profit & Loss

  • Algebra, Geometry, Trigonometry

  • Elementary Statistics

  • Square Root, Age Calculations

2. General Intelligence & Reasoning (25 Qs)

  • Analogies, Alphabetical & Number Series

  • Coding & Decoding

  • Mathematical Operations

  • Syllogism, Venn Diagram

  • Data Interpretation & Sufficiency

  • Puzzles, Seating Arrangement

  • Statement–Conclusion, Decision Making

  • Directions, Blood Relation, Classification

3. General Awareness (15 Qs)

  • Current Affairs (National & International)

  • Indian Geography & Economy

  • Indian Polity & Constitution

  • History & Culture of India

  • Railway facts and GK

4. General Science (30 Qs)

  • Physics, Chemistry, Life Science (up to 10th standard, NCERT level)

CBT – II

1. General Awareness (15 Qs)

  • Current Events (National & International)

  • Sports, Economy, Culture, Indian Polity

  • Indian Geography, General History

  • Environmental Issues concerning India & World

2. Physics & Chemistry (15 Qs)

  • Basics up to Class 10th/12th level (NCERT based)

3. Basics of Computer and Applications (10 Qs)

  • Computer Architecture & Input/Output Devices

  • MS Office (Word, Excel, PowerPoint)

  • Internet & Email

  • Networking Basics

  • Computer Virus, Hardware & Software

4. Basics of Environment and Pollution Control (10 Qs)

  • Basics of Environment

  • Air, Water & Noise Pollution

  • Waste Management

  • Environmental Protection Acts in India

5. Technical Abilities (100 Qs)

  • Based on your engineering discipline (Civil, Electrical, Mechanical, Electronics, etc.)

    • Electrical Engineering Topics (example):

      • Basic Concepts, Circuits, and Theorems

      • Electrical Machines (DC/AC)

      • Power Systems

      • Generation, Transmission & Distribution

      • Measurements & Instruments

      • Basics of Electronics & Microprocessors




RRB JE Electrical Engineering Syllabus-


1. Basic Concepts

  • Fundamentals of Electrical Engineering

  • Electric Current, Voltage, Power, Energy, and their units

  • Ohm’s Law

  • Resistance, Inductance, Capacitance

  • Types of Materials – Conductors, Semiconductors, Insulators

2. Electrical Circuits and Networks

  • DC Circuits – Kirchhoff’s Laws, Mesh & Nodal Analysis

  • Network Theorems – Thevenin’s, Norton’s, Superposition, Maximum Power Transfer

  • AC Circuits – Phasor representation, RLC series & parallel circuits

  • Resonance – Series and Parallel

  • Three-Phase Circuits – Star & Delta connections, Power Measurement

3. Electromagnetism

  • Magnetic Circuits – MMF, Flux, Reluctance

  • Laws of Electromagnetic Induction (Faraday’s & Lenz’s Laws)

  • Self & Mutual Inductance

  • Hysteresis & Eddy Current Losses

  • Magnetic Hysteresis Loop

4. Electrical Machines

DC Machines

  • Construction, Working & Characteristics of DC Generators & Motors

  • Types – Shunt, Series, Compound

  • Applications of DC Machines

  • Speed Control & Testing

Transformers

  • Construction, Working & Types of Transformers

  • EMF Equation, Voltage Regulation, Efficiency

  • Open-circuit & Short-circuit Tests

  • Auto-transformers & Special Transformers

AC Machines

  • Three-phase Induction Motors – Construction, Working, Slip, Torque Equation, Speed Control

  • Single-phase Induction Motors – Types & Applications

  • Alternators – EMF Equation, Regulation, Parallel Operation

  • Synchronous Motors – Principle, Applications, Power Factor Correction

5. Generation, Transmission & Distribution

  • Power Generation Methods (Thermal, Hydro, Nuclear, Renewable)

  • Transmission Line Components – Insulators, Conductors, Towers

  • Transmission Line Parameters – Resistance, Inductance, Capacitance

  • Transmission Line Efficiency & Regulation

  • High Voltage DC (HVDC) Transmission

  • Distribution Systems – Radial & Ring Systems, LV & HV Distribution

  • Earthing & Power Factor Improvement

6. Electrical Measurements & Instruments

  • Measuring Instruments – PMMC, Moving Iron, Dynamometer, Energy Meter

  • Measurement of Power & Energy (Single & Three Phase)

  • Instrument Transformers – CT & PT

  • Measurement of Resistance, Inductance, Capacitance

  • Wattmeter, Multimeter, CRO (Cathode Ray Oscilloscope)

  • Errors in Measurements & Calibration

7. Basics of Electronics & Digital Electronics

  • Semiconductor Basics – Diodes, Zener Diodes, Transistors (BJT, FET)

  • Rectifiers & Voltage Regulators

  • Amplifiers & Oscillators

  • Logic Gates, Boolean Algebra

  • Flip-Flops, Counters, Multiplexers, Demultiplexers

  • Number Systems (Binary, Octal, Hexadecimal)

8. Control Systems & Electrical Applications

  • Basics of Control Systems – Open Loop & Closed Loop

  • Transfer Function & Block Diagrams

  • Stability Concepts (Bode Plot, Nyquist, Root Locus – basics)

  • Electrical Drives – Types of Drives, Applications in Industry

  • Electric Traction – Railway Traction Systems, Supply Systems, Regenerative Braking

9. Power Electronics & Utilization

  • Basics of Power Electronics

  • SCR, TRIAC, DIAC, MOSFET, IGBT

  • Rectifiers (Controlled & Uncontrolled), Inverters, Choppers

  • Applications of Power Electronics in Drives & Power Systems

  • Illumination – Laws of Illumination, Types of Lamps (Incandescent, Fluorescent, LED)

  • Heating & Welding Applications

10. Basics of Microprocessors & Communication

  • Introduction to Microprocessors (8085/8086 basics)

  • Input/Output Devices & Memory

  • Basics of Signal Communication – Analog & Digital

  • Modulation Techniques – AM, FM, PM

✅ This Technical Section (100 questions) is the core part of CBT – II for Electrical candidates.
✅ Along with this, you also need to prepare:

  • General Awareness (15 Qs)

  • Physics & Chemistry (15 Qs)

  • Basics of Computers (10 Qs)

  • Basics of Environment & Pollution Control (10 Qs)

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