Bihar Police Constable Operator Exam Guide 2026 for Beginners – 20 Practice Questions and Mock Test 1

Bihar Police Constable Operator Exam Guide – Imagine scrolling through your phone late at night, stumbling on a notification about 993 fresh vacancies in Bihar Police Radio Organization—positions that blend tech skills with fieldwork, paying ₹21,700 starting salary. But here’s the twist: last year’s Operator exam saw over 5 lakh applicants for just 700 spots, yet 40% of selected candidates were first-timers who nailed the basics without fancy coaching. If you’re dipping your toes into this for the first time, this guide unpacks everything from eligibility quirks to syllabus secrets, helping you build a rock-solid foundation that turns confusion into confidence.

Introduction to the Exam

The Bihar Police Constable Operator role isn’t your typical beat-pounding constable gig—it’s the tech backbone of the force, handling radio communications, signal maintenance, and emergency ops in Bihar’s vast network. Launched under the 2021 Telecom Rules (updated 2025), this 2026 drive targets “Bihar Police Telecommunication (Wireless) & Technical Non-Gazetted Cadre.” With applications opening March 1 and closing March 31 on csbc.bihar.gov.in, it’s a window to secure a stable government job in a state where police tech roles are exploding due to digital policing mandates.

What sets it apart? Unlike standard constables, Operators need 10+2 Science chops—think Physics for wave theory, not just rote GK. This exam tests if you can troubleshoot a faulty transmitter mid-crisis, making it a hybrid of theory and practical smarts.

Bihar Police Constable Operator Exam Guide – Why This Exam Is Important

In Bihar’s job market, where unemployment hovers at 7% for graduates, these 993 posts (408 UR, 175 EBC, etc.) offer Level-3 pay with perks like housing allowances and rapid promotions to Head Operator in 5-7 years. But dig deeper: with Bihar’s push for smart policing (e.g., 2025’s statewide radio upgrade), Operators are frontline in cyber-crime units and disaster response. Selected candidates often pivot to specialized wings like Cyber Cell faster than regular constables.

For rural Bihar aspirants, it’s a game-changer—many from Patna or Gaya districts crack it by leveraging school-level science, bypassing urban coaching hubs. The real edge? Job security amid economic flux, plus a reservation edge: 35% women quota means female applicants (needing only 155 cm height) are filling 338 spots, up 15% from 2024.

Bihar Police Constable Operator Exam Guide – Exam Pattern Explained

Forget the myth of a marathon written test; the Operator exam is a sprint with precision. Total marks: 100, duration 2 hours, all objective MCQs in Hindi/English. No negative marking—pure speed and accuracy.

Breakdown:

• Physics (30 marks): Core for signals/radio tech.
• Chemistry (20 marks): Basics of materials in telecom gear.
• Mathematics (30 marks): Algebra, trig for calculations.
• General Knowledge/Hindi (20 marks): Current affairs, basic grammar.

Post-written: Physical Efficiency Test (PET)—1.6 km run in 6 minutes for males, no chest expansion for females—and a medical check. Trade test? A quick 10-minute radio simulation, scoring on error-free ops.

Trend alert: 2025’s paper skewed 60% towards application-based questions, like calculating signal loss over distance, not textbook defs.

Bihar Police Constable Operator Exam Guide – Detailed Syllabus Breakdown

The syllabus mirrors 10+2 CBSE but with a telecom twist—focus on wireless comms under 2021 Rules.

Physics: Electrostatics (Coulomb’s law applications), Current Electricity (Ohm’s law in circuits), Magnetism (Earth’s field for navigation), Communication Systems (AM/FM modulation—key for Operators).

Chemistry: Organic basics (polymers in cables), Inorganic (metals in antennas), Physical (thermodynamics for device efficiency).

Mathematics: Matrices (signal processing), Calculus (rate of change in waves), Coordinate Geometry (positioning tech).

GK/Hindi: Bihar-specific (e.g., 2025 floods response), idioms, comprehension.

Pro tip: Syllabus PDFs on CSBC site hide gems—2026 update emphasizes “digital modulation” post-5G trials in Bihar.

Bihar Police Constable Operator Exam Guide – Section-Wise Strategy

Start small: Dedicate Week 1 to Physics—solve 50 MCQs daily from NCERT exemplars, focusing on numericals (they’re 70% of marks). Chemistry? Flashcard reactions; Math needs timed drills for speed.

GK: Scan Pratiyogita Darpan monthly issues, but zero in on Bihar Police annual reports (free on biprd.bih.nic.in). Hindi: Practice unseen passages—aim for 80% accuracy.

Physical prep: Walk 5 km daily, building to runs. Women: Focus on stamina over speed.

Competition Level and Selection Ratio

With 5-6 lakh expected applicants (based on 2025’s 5.2 lakh for 700 posts), selection ratio is 1:600 overall—but drops to 1:200 for reserved categories. UR males face the heat (1:800), while EBC women? 1:150.

Insider stat: 2025 saw 28% dropout post-PET due to poor fitness—your edge if you train early.

Common Beginner Mistakes

Rookies chase full syllabi without mocks—result? Panic in the hall. Another: Ignoring trade test, assuming it’s “easy.” Last year, 15% failed on basic Morse code errors.

Don’t skip age proofs—relaxations (up to 30 for SC/ST) need domicile certs from Circle Officers, not just Aadhaar.

Basic Preparation Strategy

Month 1: Audit eligibility—ensure 50% in 10+2 PCM (45% SC/ST). Build routine: 4 hours study, 1 hour physical.

Track progress with weekly quizzes. Join Bihar-focused Telegram groups (e.g., “Bihar Operator Prep 2026”) for doubt-clearing, not endless PDFs.

Remember, consistency beats cramming—aim for 70% syllabus coverage in 3 months.

Bihar Police Constable Operator Exam Guide – Best Reference Books and Study Materials

Best Books for Each Subject

Physics:

1. NCERT Class 12 (free PDF)—gold standard for basics, used by 80% toppers.
2. HC Verma Vol 2—numericals that mimic exam twists, like wave interference.
3. Pradeep’s Fundamental Physics—detailed telecom chapters, with 2025 updates.

Chemistry:

1. NCERT Class 12—concise for reactions.
2. OP Tandon Physical Chemistry—efficiency calcs for gear.
3. Modern ABC Chemistry—polymers section, aligned to Bihar board.

Mathematics:

1. RD Sharma Class 12—drills for matrices.
2. RS Aggarwal Objective Math—MCQ-focused.
3. Arihant Skills in Mathematics—trig for signals.

GK/Hindi:

1. Lucent GK (Bihar edition)—state-specific.
2. Samanya Hindi by Hardev Bahri—comprehension.
3. Manorama Yearbook 2026—currents.

Online Study Resources

Stick to official: CSBC Bihar for notifications, Bihar Police site for annual reports. Authentic adds: Unacademy’s free Operator series (Bihar-specific), BYJU’s 10+2 recaps. Avoid pirated apps—go for Khan Academy’s physics vids.

Free Preparation Resources

Toppers swear by NCERT PDFs (ncert.nic.in), CSBC mock papers (2025 archive on site). YouTube: “Physics Wallah Bihar Operator” playlist—real 2025 solver walkthroughs. Free mocks on Gradeup (Bihar section).

As you wrap up this beginner blueprint, carry this: Mastering basics isn’t about hours logged—it’s spotting patterns in questions that repeat 40% yearly. Next, dive into Article 2 for previous year trends, cutoff breakdowns, and coaching-free hacks that turned average scorers into selected ones.

For easy-to-understand and student-friendly government job updates, visit GovtJobLink.com – Latest Government Job Updates, where we provide structured exam preparation guidance, exam pattern details, and syllabus breakdowns. Applicants are strongly advised to verify all details from the official notification and official website. Candidates should regularly check our Latest Jobs section for new notifications.

20 Practice Questions (Easy to Moderate)

Question 1: In Physics, what is the primary function of an antenna in a radio communication system?
A. To amplify sound waves
B. To transmit and receive electromagnetic waves
C. To store electrical energy
D. To convert light into electricity
Click Here to Know the Answer

Answer: B
Explanation: Antennas are essential for converting electrical signals into electromagnetic waves for transmission, as per basic communication principles in the syllabus.

Question 2: Which law states that the force between two point charges is directly proportional to the product of their charges and inversely proportional to the square of the distance between them?
A. Newton’s Law of Motion
B. Coulomb’s Law
C. Ohm’s Law
D. Faraday’s Law
Click Here to Know the Answer

Answer: B
Explanation: Coulomb’s Law governs electrostatic forces, foundational for understanding charge interactions in telecom devices.

Question 3: In Mathematics, if a matrix A is of order 2×3, what is the order of its transpose A^T?
A. 3×2
B. 2×2
C. 3×3
D. 2×3
Click Here to Know the Answer

Answer: A
Explanation: Transposing a matrix swaps rows and columns, so a 2×3 becomes 3×2, key for signal processing basics.

Question 4: What is the chemical symbol for the element used in antennas due to its high conductivity?
A. Fe (Iron)
B. Cu (Copper)
C. Al (Aluminum)
D. Pb (Lead)
Click Here to Know the Answer

Answer: B
Explanation: Copper’s excellent conductivity makes it ideal for antenna wires, from inorganic chemistry basics.

Question 5: In Hindi grammar, which of the following is a correct example of a synonym for “विकास” (development)?
A. ह्रास
B. प्रगति
C. स्थिरता
D. अवनति
Click Here to Know the Answer

Answer: B
Explanation: “प्रगति” means progress, a direct synonym, testing basic vocabulary for the GK/Hindi section.

Question 6: The resistance of a conductor is given by R = ρL/A. What does ρ represent?
A. Length
B. Area
C. Resistivity
D. Current
Click Here to Know the Answer

Answer: C
Explanation: Resistivity (ρ) is a material property, central to current electricity in circuit analysis for operators.

Question 7: Solve for x: 2x + 5 = 17.
A. 6
B. 11
C. 4
D. 12
Click Here to Know the Answer
Answer: A
Explanation: Subtract 5 from both sides and divide by 2: x = 6, a simple linear equation for foundational math.

Question 8: Which polymer is commonly used in insulation for telecom cables?
A. Polyethylene
B. Nylon
C. PVC
D. Both A and C
Click Here to Know the Answer

Answer: D
Explanation: Polyethylene and PVC provide flexible, non-conductive sheathing, from organic chemistry applications.

Question 9: Who is the current Chief Minister of Bihar as of 2026?
A. Tejashwi Yadav
B. Nitish Kumar
C. Lalu Prasad Yadav
D. Rabri Devi
Click Here to Know the Answer

Answer: B
Explanation: Nitish Kumar holds the position, a Bihar-specific GK fact for state awareness.

Question 10: In coordinate geometry, what is the distance between points (0,0) and (3,4)?
A. 5
B. 7
C. 3
D. 4
Click Here to Know the Answer

Answer: A

Explanation: Using distance formula √[(3-0)^2 + (4-0)^2] = 5, basic for positioning in telecom.

Question 11: What is the SI unit of electric current?
A. Volt
B. Ampere
C. Ohm
D. Watt
Click Here to Know the Answer

Answer: B
Explanation: Ampere measures current flow, essential in Ohm’s Law applications.

Question 12: The derivative of x^2 is:
A. 2x
B. x
C. 2
D. x^3
Click Here to Know the Answer

Answer: A
Explanation: Power rule: d/dx (x^n) = n x^{n-1}, intro to calculus for wave rates.

Question 13: In thermodynamics, what does the first law conserve?
A. Momentum
B. Energy
C. Charge
D. Mass
Click Here to Know the Answer

Answer: B
Explanation: ΔU = Q – W, energy conservation for device efficiency.

Question 14: Identify the antonym of “सुरक्षा” in Hindi.
A. खतरा
B. रक्षा
C. बचाव
D. संरक्षण
Click Here to Know the Answer

Answer: A
Explanation: “खतरा” means danger, opposite of safety, for grammar basics.

Question 15: Earth’s magnetic field is approximately:
A. 0.3 Gauss
B. 3 Tesla
C. 30 Gauss
D. 0.03 Tesla
Click Here to Know the Answer

Answer: A
Explanation: ~0.3-0.6 Gauss, relevant for navigation in radio ops.

Question 16: If sin θ = 3/5, what is cos θ (θ acute)?
A. 4/5
B. 3/4
C. 5/4
D. 5/3
Click Here to Know the Answer

Answer: A
Explanation: Pythagorean identity: cos θ = √(1 – sin²θ) = 4/5, trig basics.

Question 17: Which metal is used in batteries for telecom backups?
A. Zinc
B. Silver
C. Gold
D. Tin
Click Here to Know the Answer

Answer: A
Explanation: Zinc in alkaline batteries, inorganic electrochemistry.

Question 18: The Bihar Police Headquarters is located in:
A. Patna
B. Gaya
C. Muzaffarpur
D. Bhagalpur
Click Here to Know the Answer

Answer: A
Explanation: At 5 Harding Road, Patna, core GK for state force.

Question 19: In electrostatics, like charges:
A. Attract
B. Repel
C. Neutralize
D. Merge
Click Here to Know the Answer

Answer: B
Explanation: Fundamental rule for charge behavior in fields.

Question 20: Solve the determinant of matrix [[1,2],[3,4]].
A. -2
B. 2
C. -10
D. 10
Click Here to Know the Answer

Answer: A
Explanation: 14 – 23 = 4-6 = -2, intro to matrices for signals.

FREE Mock Test 1 – 50 Questions (Easy to Moderate Level) – Click Here to Attempt Mock Test

In this starting stage, work on making basic ideas strong and getting used to how questions look. If you get 60-70% right, that’s a good sign you’re off to a solid beginning. See how easy memory questions and simple uses of ideas take up most of the test—use this to spot easy fixes, like quickly reviewing key terms or basic rules, without stressing over small errors. This level shows if your daily study plan helps you remember things well even with a bit of time limit. Keep a note of common mistakes to focus your practice each day, changing early doubts into quick answers that build a sure base for harder work later. Analyze your performance carefully: Calculate your score, review incorrect questions, understand the correct concepts, identify weak subjects, and improve accuracy and speed. Learning from mistakes is the fastest way to improve exam performance.

For the latest, easy-to-understand, and student-friendly government job updates, visit GovtJobLink.com – Latest Government Job Updates, where we also provide structured exam preparation guidance along with detailed exam pattern and syllabus information. For more government job notifications, candidates are encouraged to regularly check our Latest Jobs section.

Frequently Asked Question (FAQ)

Question No. 1 – What is the main focus of the Bihar Police Constable Operator role? Answer- This role handles radio communications, signal maintenance, and tech support in Bihar’s police network, blending 10+2 Science skills with fieldwork for emergency ops.

Question No. 2 – How many vacancies are there in the 2026 recruitment? Answer- Total 993 posts, with 408 UR, 175 EBC, 157 SC, and more—plus 338 for women and 20 for freedom fighters’ dependents.

Question No. 3 – What is the written exam pattern for beginners? Answer- 100 MCQs in 2 hours: Physics (30 marks), Math (30), Chemistry (20), GK/Hindi (20)—no negatives, objective type at 10+2 level with telecom twist.

Question No. 4 – What are common physical standards for males? Answer- Height 165 cm (General/OBC), chest 81-86 cm expansion; SC/ST: 160 cm height, 79-84 cm chest—women: 155 cm height, min 48 kg weight.

Question No. 5 – Which books should beginners start with for Physics? Answer- NCERT Class 12 for basics, HC Verma Vol 2 for numericals, Pradeep’s Physics for telecom chapters—aim 50 MCQs daily from these.

Explore Related Bihar Police Constable Operator Exam 2026 and Exam Preparation Articles

Official Website of Bihar Police Constable Operator Exam 2026	Click Here for Complete Details from Official Website
Bihar Police Constable Operator Exam 2026 – Job Post	Bihar Police Constable Operator Vacancy 2026: 993 Posts, Eligibility, Age Limit, Apply Online
Can You Clear Bihar Police Constable Operator Exam Without Coaching	Bihar Police Constable Preparation Without Coaching – 20 Practice Questions and Mock Test 2
Bihar Police Constable Operator Advanced Preparation Strategy 2026	Bihar Police Constable Operator Advanced Preparation Strategy 2026 -20 Practice Questions & Mock Test 3