UPSC Electrical Engineering Paper I 2021 (Main) - Question Paper

Central Government Jobs Engineer 2021

  • Year 2021
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours Maximum Marks: 250 प्रश्न-पत्र सम्बन्धी विशेष अनुदेश कृपया प्रश्नों के उत्तर देने से पूर्व निम्नलिखित प्रत्येक अनुदेश को ध्यानपूर्वक पढ़ें : इसमें आठ प्रश्न हैं जो दो खण्डों में विभाजित हैं तथा हिन्दी और अंग्रेज़ी दोनों में छपे हुए हैं । परीक्षार्थी 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
  • Languages Hindi & English

Exam Details

Detail Information
Examination ELECTRICAL ENGINEERING Paper-I
Year 2021
Conducting Body UPSC
Paper ELECTRICAL ENGINEERING Paper-I
Subject Electrical Engineering
Duration Three Hours Maximum Marks: 250 प्रश्न-पत्र सम्बन्धी विशेष अनुदेश कृपया प्रश्नों के उत्तर देने से पूर्व निम्नलिखित प्रत्येक अनुदेश को ध्यानपूर्वक पढ़ें : इसमें आठ प्रश्न हैं जो दो खण्डों में विभाजित हैं तथा हिन्दी और अंग्रेज़ी दोनों में छपे हुए हैं । परीक्षार्थी 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
Maximum Marks 250
Number of Questions 8
Question Type Mixed

This dataset covers UPSC Civil Services (Main) Examination 2021 Electrical Engineering Paper I. Page 1 provides bilingual exam instructions, time and scoring details; Page 2 includes Section A questions in y-parameters for a two-port network, including a problem to determine voltage across a 200-ohm load from given y-parameters. The material emphasizes standard exam conventions, compulsory questions, and problem-solving formats typical for electrical engineering candidates, focusing on two-port networks and load analysis.

Major Topics Covered

  • Electrical Engineering
  • Two-Port Networks
  • y-parameters
  • Circuit Theory
  • AC Analysis
  • Load Analysis
  • Impedance and Admittance
  • Network Theorems
  • S-parameters
  • Bilingual Exam Instructions
  • UPSC Main Exam
  • Question Paper Format
  • QCA Booklet
  • Standard Notations
  • Sectional Exam
  • Compulsory Questions
  • Data Assumption
  • Symbolic Notation
  • Figure 1(a)
  • Voltage Across Load

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

Instructions

  • पुस्तिका के मुख-पृष्ठ 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 निर्दिष्ट कीजिए ।
  • जब तक उल्लिखित न हो, संकेत तथा शब्दावली प्रचलित मानक अर्थों में प्रयुक्त हैं ।
  • प्रश्नों के उत्तरों की गणना क्रमानुसार की जाएगी ।
  • यदि काटा नहीं हो, तो प्रश्न के उत्तर की गणना की जाएगी चाहे वह उत्तर अंशतः दिया गया हो ।
  • प्रश्न-सह-उत्तर (क्यू.सी.ए.) पुस्तिका में खाली छोड़ा हुआ पृष्ठ या उसके अंश को स्पष्ट रूप से काटा जाना चाहिए ।

  • There are EIGHT questions divided in TWO SECTIONS and printed both in HINDI and in ENGLISH.
  • Candidate has to attempt FIVE questions in all.
  • Questions no. 1 and 5 are compulsory and out of the remaining, any 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 (QCA) Booklet must be clearly struck off.

Questions (page 2)

Q1. Q1. (a) चित्र 1(a) में प्रदर्शित द्वि-प्रद्वार जालक्रम के, y11 = 3.3 × 10^-3 S, y22 = 5 × 10^-3 S और y12 = y21 = 0 के रूप में लक्षण बताए गए हैं । 200 Ω भार के आर-पार वोल्टता का मान ज्ञात कीजिए ।

() Q1. (a) चित्र 1(a) में प्रदर्शित द्वि-प्रद्वार जालक्रम के, y11 = 3.3 × 10^-3 S, y22 = 5 × 10^-3 S तथा y12 = y21 = 0 के रूप में लक्षण बताए गए हैं । 200 Ω भार के आर-पार वोल्टता का मान ज्ञात कीजिए ।

() Q1. (a) In Figure 1(a) shown below, the two-port network is characterized in terms of y-parameters with y11 = 3.3 × 10^-3 S, y22 = 5 × 10^-3 S and y12 = y21 = 0. Find the voltage across 200 Ω load.

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The paper lists 8 questions as per the official booklet.

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