Electrical Engineering Paper I UPSC 2017 Thevenin Signals Transmission Line

Name: Electrical Engineering Paper I UPSC 2017 Thevenin Signals Transmission Line
Creator: Union Public Service Commission
Keywords: Thevenin's theorem, Superposition theorem, Circuit analysis, 5 Ω resistor, Voltage sources, Fig. 1(a) circuit, Fig. 1(b) signal, x(t), u(2-t), δ(t-7/2), Transmission line, α, β, distortionless, UPSC

Central Government Jobs Engineer 2017

Year 2017
Conducted By Union Public Service Commission
Questions 8
Maximum Marks 250
Duration Three Hours
Languages Hindi & English

Exam Details

Detail	Information
Examination	Electrical Engineering (PAPER-I)
Year	2017
Conducting Body	Union Public Service Commission
Paper	Electrical Engineering Paper I
Subject	Electrical Engineering
Duration	Three Hours
Maximum Marks	250
Number of Questions	8
Question Type	Mixed

This JSON aggregates UPSC Civil Services Main Examination 2017 Electrical Engineering Paper I, focusing on Section A topics: Thevenin theorem with circuit current calculations, time-domain signal manipulation (x(t), u(t), δ(t)), and transmission line properties (attenuation α and phase β) in a bilingual question set. It mirrors page 1 instructions and page 2 Section A problems, repaired for clarity and SEO-ready structure.

Major Topics Covered

Thevenin's theorem
Superposition theorem
Circuit analysis
5-ohm resistor
Thevenin equivalent
Fig. 1(a) circuit
Fig. 1(b) signal
Time-domain signals
Unit step function u(t)
Dirac delta δ(t)
x(t)
Distortionless transmission line
Attenuation constant α
Phase constant β
Frequency dependence
UPSC
Civil Services Main
Electrical Engineering
Paper I
2017

Why This Paper is Important

Useful for Electrical Engineering (PAPER-I) 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

Electrical Engineering Paper I UPSC Civil Services Main 2017 (Central Region)

Instructions

दो खण्डों में कुल आठ प्रश्न दिए गए हैं जो हिन्दी एवं अंग्रेजी दोनों में छपे हैं।
उम्मीदवार को कुल पाँच प्रश्नों के उत्तर देने हैं।
प्रश्न संख्या 1 और 5 अनिवार्य हैं तथा बाकी प्रश्नों में से प्रत्येक खण्ड से कम-से-कम एक प्रश्न चुनकर तीन प्रश्नों के उत्तर दीजिए।
प्रत्येक प्रश्न/भाग के लिए नियत अंक उसके सामने दिए गए हैं।
प्रश्नों के उत्तर उसी प्राधिकृत माध्यम में लिखे जाने चाहिए, जिसका उल्लेख आपके प्रवेश-पत्र में किया गया है, और इस माध्यम का स्पष्ट उल्लेख प्रश्न-सह-उत्तर (क्यू॰ सी॰ ए॰) पुस्तिका के मुखपृष्ठ पर अंकित निर्दिष्ट स्थान पर किया जाना चाहिए।
प्राधिकृत माध्यम के अतिरिक्त अन्य किसी माध्यम में लिखे गए उत्तर पर कोई अंक नहीं मिलेंगे।
यदि आवश्यक हो, तो उपयुक्त आँकड़ों का चयन कीजिए तथा उनको स्पष्टतया निर्दिष्ट कीजिए।
प्रतीकों और संकेतनों के प्रचलित अर्थ हैं, जब तक अन्यथा न कहा गया हो।
प्रश्नों के प्रयासों की गणना क्रमानुसार की जाएगी।
आंशिक रूप से दिए गए प्रश्नों के उत्तर को भी मान्यता दी जाएगी यदि उसे काटा न गया हो।
प्रश्न-सह-उत्तर पुस्तिका में खाली छोड़े गए कोई पृष्ठ अथवा पृष्ठ के भाग को पूर्णतः काट दीजिए।

There are EIGHT questions divided in two Sections and printed both in HINDI and in ENGLISH.
Candidate has to attempt FIVE questions in all.
Question Nos. 1 and 5 are compulsory and out of the remaining, THREE are to be attempted choosing at least ONE question from each Section.
The number of marks carried by a question/part is indicated against it.
Answers must be written in the medium authorized in the Admission Certificate which must be stated clearly on the cover of this Question-cum-Answer (QCA) Booklet in the space provided.
No marks will be given for answers written in a medium other than the authorized one.
Assume suitable data, if considered necessary and indicate the same clearly.
Unless otherwise mentioned, symbols and notations carry their usual standard meanings.
Attempts of questions shall be counted in sequential order.
Unless struck off, attempt of a question shall be counted even if attempted partly.
Any page or portion of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.

Questions (page 2)

Q1. 1. (a) For the circuit shown in Fig. 1(a), find the current through 5 Ω resistor by using Thevenin's theorem and verify the same by using superposition theorem. — 10 marks

Q2. 1. (b) A continuous time signal x(t) is shown in Fig. 1(b). Sketch and label each of the following signals:
(i) x(t) u(2-t)
(ii) x(t) δ(t - 7/2)

Q3. 1.
(c) Show that for a distortionless transmission line, the attenuation constant α does not depend on frequency, whereas the phase constant β depends linearly on it.

Question paper preview

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The Electrical Engineering (PAPER-I) is conducted by Union Public Service Commission. This portal reproduces the scanned question paper for practice and revision.

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How many questions are on this paper?

The paper lists 8 questions as per the official booklet.

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