Electrical Engineering HCS Mains 2023 Question Paper (Page 1-2)
- Year 2023
- Conducted By Haryana Government
- Questions 4
- Maximum Marks 200
- Duration 3 Hours
- Languages English & Hindi
Exam Details
| Detail | Information |
|---|---|
| Examination | Electrical Engineering |
| Year | 2023 |
| Conducting Body | Haryana Government |
| Paper | Electrical Engineering |
| Subject | Electrical Engineering |
| Duration | 3 Hours |
| Maximum Marks | 200 |
| Number of Questions | 4 |
| Question Type | Descriptive / Subjective |
This document combines Page 1 and Page 2 OCR for the Electrical Engineering paper in the Haryana Government (HCS Ex.Br.) & Other Allied Services Mains Exam 2023. Page 1 provides exam metadata, language, and general instructions in bilingual form, while Page 2 contains Section A descriptive questions. The repaired OCR on Page 2 presents three subparts under Q1 (1(a), 1(b), 1(c)) addressing parallel-plate capacitor physics, SCR operation regions, and SSB-AM modulation, followed by a placeholder for a potential Q2. The content tests understanding of electrostatics, power electronics, and communication theory concepts relevant to the exam.
Major Topics Covered
- Electrical Engineering
- Capacitance
- Parallel-plate capacitor
- Electric energy storage
- Electrostatics
- Mass calculation in a capacitor system
- Thyristor SCR
- SCR operation regions
- SSB-AM modulation
- Carrier modulation
- Sidebands
- Lower sideband
- Frequency spectrum
- SSB signal analysis
- 800 kHz carrier
- Modulation index
- Signal hat m(t)
- Time-domain signal expressions
- Power electronics
- Bilingual exam format
Why This Paper is Important
- Useful for Electrical Engineering 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
Instructions
- 2023 Electrical Engineering विधुत इंजीनियरिंग Time: 3 hours Maximum Marks: 200 अधिकतम अंक: 200 समय: ३ घंटे
- This paper is divided into two Sections, Section-A and Section-B. ये प्रश्नपत्र दो खंडों में विभाजित है, खंड-A और खंड-B
- Each Section contains four (4) questions. प्रत्येक खंड में चार प्रश्न है।
- Candidate has to attempt five questions in all. परीक्षार्थी को पांच प्रश्नों का उत्तर लिखना है।
- Question Nos. 1 and 5 are compulsory and out of the remaining, THREE questions are to be attempted choosing at least ONE question from each Section. प्रश्न संख्या 1 और 5 अनिवार्य है और शेष प्रश्नों में से किन्हीं तीन का उत्तर लिखना है, प्रत्येक खंड से एक प्रश्न को हल करना है।
- Word limit in questions, where specified, should be adhered to. प्रश्नों में शब्द सीमा, जहाँ विनिर्दिष्ट है, का अनुसरण किया जाना चाहिए।
- The number of marks carried by a question/part is indicated against it. प्रत्येक प्रश्न/ भाग के लिए नियत अंक उसके सामने दिए गए हैं।
- Questions are printed in English & Hindi languages.
- In case of any ambiguity in translation of any question, English version shall be treated as final. प्रत्येक प्रश्न हिन्दी और अंग्रेजी दोनों भाषाओं में छपा है। प्रश्नों के अनुवाद में किसी अस्पष्टता की स्थिति में, अंग्रेजी सस्करण को ही अन्तिम माना जाएगा। (1) Electrical Engineering / 2023
Questions (page 2)
Q2. 1(b) Explain with suitable labelled diagram. थायरिस्टर या SCR के विभिन्न ऑपरेशन क्षेत्र क्या हैं? उपयुक्त लेबल चित्र के साथ संक्षेप में समझाएं।
Q3.
1
(c) An SSB-AM signal is generated by modulating an 800 kHz carrier by the l
(c) signal: m(t) = cos 2000π t + 2 sin 2000π t The amplitude of the carrier is A\rm c = 100. i. Determine the signal \hatm(t). Determine the time-domain expression for the lower sideband of the SSB-AM signal. Determine the magnitude spectrum of the lower sideband SSB signal.
800 kHz वाहक सिग्नल को मॉड्यूलेट करके एक SSB-AM सिग्नल उत्पन्न किया जाता है: m(t) = cos 2000 π t + 2 sin 2000 π t वाहक का आयाम A\rm c = 100 है। सिग्नल \hatm(t) निर्धारित करें। i. SSB-AM सिग्नल के निचले साइडबैंड के लिए टाइम-डोमेन समीकरण ii. निचले साइडबैंड SSB सिग्नल का परिमाण स्पेक्ट्रम निर्धारित करें। iii.
Q4. (2)
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Frequently asked questions
What is the duration of the exam?
3 hours.
What is the maximum marks for the paper?
200 marks.
How many sections are in the paper?
Two sections: Section A and Section B.
How many questions must a candidate attempt?
Five questions in total; Question Nos. 1 and 5 are compulsory; choose three from the remaining, with at least one from each Section.
Are the questions printed in both English and Hindi?
Yes; questions are printed in English and Hindi. In case of any ambiguity, the English version is final.
What is the subject of this paper?
Electrical Engineering.