ACF & Forest Range Officer 2018 Electronics Engineering Paper III PDF

Rajasthan Government Jobs Engineer 2018

  • Year 2018
  • Conducted By RPSC
  • Questions 120
  • Maximum Marks 200
  • Duration 3.00 Hours
  • Languages Hindi & English

Exam Details

Detail Information
Examination ACF AND FOREST RANGE OFFICER GR-I COMP. EXAM 2018
Year 2018
Conducting Body RPSC
Paper Electronics Engineering Paper - III
Subject Electronics Engineering
Duration 3.00 Hours
Maximum Marks 200
Number of Questions 120
Question Type Objective (MCQ)

This is the official question paper for the ACF and Forest Range Officer Gr-I Competitive Examination 2018, conducted by RPSC. This paper, designated as Paper III, focuses on Electronics Engineering and is allocated 200 maximum marks with a duration of 3.00 hours. It contains 120 objective-type questions. Aspirants preparing for this examination can utilize this paper to understand the exam pattern, question difficulty, and important topics covered in Electronics Engineering. Practicing with previous year papers like this is crucial for effective preparation and scoring well in the RPSC ACF and Forest Range Officer exam.

Major Topics Covered

  • Electronics Engineering
  • Diodes
  • Zener Diode
  • LED
  • Harmonic Distortion
  • Voltage Gain
  • Feedback
  • Buck-Boost Converter
  • DC Choppers
  • Transistor Parameters

Why This Paper is Important

  • Useful for ACF AND FOREST RANGE OFFICER GR-I COMP. preparation
  • Helps understand the latest exam pattern
  • Useful for practice and self-assessment
  • Covers frequently asked General Studies topics
  • Helpful for analysing question trends

Related Resources

  • ACF Forest Range Officer 2021 Electronics Engineering Paper III
  • RPSC Assistant Engineer Electronics Engineering Previous Year Paper
  • UPSC IFS Electronics Engineering Optional Paper
  • ACF Forest Range Officer 2018 Electronics Engineering Answer Key
  • ACF Forest Range Officer Syllabus Electronics Engineering
  • RPSC Electronics Engineering Syllabus
  • ACF Forest Range Officer Exam Pattern
  • RPSC Exam Pattern Electronics

Instructions

  • प्रत्येक प्रश्न का केवल एक ही उत्तर दीजिए ।
  • एक से अधिक उत्तर देने की दशा में प्रश्न के उत्तर को गलत माना जाएगा ।
  • प्रत्येक प्रश्न के चार वैकल्पिक उत्तर दिये गये हैं, जिन्हें क्रमश: 1, 2, 3,
  • Each question has four alternative responses marked serially 4 अंकित किया गया है ।
  • अभ्यर्थी को सही उत्तर निर्दिष्ट करते हुए उनमें as 1, 2, 3,
  • You have to darken only one circle or bubble से केवल एक गोले अथवा बबल को उत्तर पत्रक पर नीले बॉल indicating the correct answer on the Answer Sheet using BLUE प्वाइंट पेन से गहरा करना है । BALL POINT PEN.
  • OMR उत्तर पत्रक इस परीक्षा पुस्तिका के अन्दर रखा है । जब आपको
  • The OMR Answer Sheet is inside this Test Booklet. When परीक्षा पुस्तिका खोलने को कहा जाए, तो उत्तर-पत्रक निकाल कर you are directed to open the Test Booklet, take out the ध्यान से केवल नीले बॉल पॉइंट पेन से विवरण भरें । Answer Sheet and fill in the particulars carefully with blue ball point pen only.
  • - प्रत्येक गलत उत्तर के लिए प्रश्न अंक का 1/3 भाग काटा जायेगा ।
  • गलत उत्तर से तात्पर्य अशुद्ध उत्तर अथवा किसी भी प्रश्न के एक से अधिक
  • 1/3 part of the mark(s) of each question will be उत्तर से है ।
  • किसी भी प्रश्न से संबंधित गोले या बबल को खाली छोड़ना deducted for each wrong answer. A wrong answer means an incorrect answer or more than one answers for any गलत उत्तर नहीं माना जायेगा । question. Leaving all the relevant circles or bubbles of any
  • मोबाइल फोन अथवा इलेक्ट्रोनिक यंत्र का परीक्षा हॉल में प्रयोग पूर्णतया question blank will not be considered as wrong answer. वर्जित है ।
  • यदि किसी अभ्यर्थी के पास ऐसी कोई वर्जित सामग्री Mobile Phone or any other electronic gadget in the
  • मिलती है तो उसके विरुद्ध आयोग द्वारा नियमानुसार कार्यवाही की examination hall is strictly prohibited. A candidate found जायेगी । with any of such objectionable material with him/her will be
  • कृपया अपना रोल नम्बर ओ.एम.आर. पत्रक पर सावधानीपूर्वक सही strictly dealt as per rules. भरें ।
  • गलत अथवा अपूर्ण रोल नम्बर भरने पर 5 अंक कुल प्राप्तांकों में Please correctly fill your Roll Number in O.M.R. Sheet.
  • 5 Marks can be deducted for filling wrong or incomplete Roll से काटे जा सकते हैं। Number. चेतावनी: अगर कोई अभ्यर्थी नकल करते पकड़ा जाता है या उसके पास Warning: If a candidate is found copying or if any unauthorized से कोई अनधिकृत सामग्री पाई जाती है, तो उस अभ्यर्थी के विरुद्ध पुलिस में material is found in his/her possession, F.I.R. would be lodged प्राथमिको दर्ज कराते हुए विविध नियमों-प्रावधानों के तहत कार्यवाही की against him/her in the Police Station and he/she would liable to be जाएगी ।
  • साथ ही विभाग ऐसे अभ्यर्थी को भविष्य में होने वाली विभाग को prosecuted. Department may also debar him/her permanently समस्त परीक्षाओं से विवर्जित कर सकता है। from all future examinations. ===================================== Do not open this Test Booklet until you are asked to do so. 15-\Box

  • Only one answer is to be given for each question.
  • If more than one answers are marked, it would be treated as wrong answer.

Questions (page 2)

Q1. For a 20V Zener diode, if temperature is increased to 100°C (boiling point of water). The change in Zener potential will be
(Assume temperature coefficient = 0.072 %/°C and Room temperature = 25°C.

  • (1) 0.51 V
  • (2) 4.12 V
  • (3) 1.08 V
  • (4) 7.20 V

Q2. Match the following for the colour of light emitted by particular material of LED

  • (1) (I) Red (A) GaN
    (II) Green (B) AlInGaP
    (III) Blue (C) GaP
    (IV) Yellow (D) GaAsP
  • (2) (1) I - A, II - B, III - C, IV - D
  • (3) (2) I - D, II - C, III - A, IV - B
  • (4) (3) I - C, II - D, III - A, IV - B
  • (5) (4) I - D, II - A, III - B, IV - C

Q3. If the voltage gain without feedback is -100 and feedback factor is -0.1, then calculate the input resistance with feedback for voltage series feedback, where input resistance without feedback is 10 kΩ,

  • (1) 110 kΩ
  • (2) 0.9 kΩ
  • (3) 200 kΩ
  • (4) 10 kΩ

Q4. Buck-Boost converter is one of the,

  • (1) AC - DC converter
  • (2) DC - AC converter/Inverter
  • (3) Controlled Rectifier
  • (4) DC - DC converter

Q5. DC choppers belong to the category of,

  • (1) DC - DC converter
  • (2) AC - DC converter
  • (3) Inverter
  • (4) AC - AC converter

Q6. As with other two-terminal devices, diodes can be placed in series (or in parallel). Determine which one of the following configurations can conduct current from A → C.

  • (1) A → D1 → B → D2 → C
  • (2) A → D1 → B → D2 → C
  • (3) A → D1 → B → D2 → C
  • (4) None of these

Q7. For harmonic distortion reading of D2 0.1, D3 0.02, and D4 0.01, with I1 = 4A and RC = 8Ω, calculate the total harmonic distortion (THD), fundamental power component (P1), and total power (P).

  • (1) THD = 0.1; P1 = 64 W and P = 64.64 W
  • (2) THD = 0.2; P1 = 32 W and P = 32.32 W
  • (3) THD = 0.1; P1 = 32 W and P = 32.32 W
  • (4) THD = 0.2; P1 = 64 W and P = 64.32 W

Q8. Find the correct answer

  • (1) (I) β (current gain) increases with increase in temperature
  • (2) (II) VBE decreases about 7.5 mV per degree Celsius (°C) increase in temperature
  • (3) (III) ICO (reverse saturation current) doubles for every 10°C increase in temperature
  • (4) (1) Only (I) and (III) are correct
  • (5) (2) (II) is correct and both (I) and (III) are wrong.
  • (6) (3) (II) and (III) are correct
  • (7) (4) All are correct

Question paper preview

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Frequently asked questions

What is the name of the exam?

The exam is the ACF and Forest Range Officer Gr-I Comp. Exam.

Which year is this question paper from?

This question paper is from the year 2018.

Who conducts the ACF and Forest Range Officer exam?

The exam is conducted by RPSC (Rajasthan Public Service Commission).

What is the subject of this paper?

This paper is for Electronics Engineering, specifically Paper - III.

What is the paper code?

The paper code is 15 FCA-12.

How many questions are there in this paper?

There are 120 questions in this booklet.

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