Renewable Sources of Energy

Duration: 7 min

This video lesson is available to enrolled students.

Return to /learn/NTA-UGC-NET-PAPER-2/paper-1-unit-9-people-development-and-environment/natural-resources-energy-disaster-management/renewable-energy-unit-solar-wind-tidal-geothermal-biomass-biogas-systems/asset-renewable-sources-of-energy after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. Course Overview: About the Course
  2. Paper - 1 | Unit - 1 | Teaching Aptitude: Nature, Objectives & Characteristics of Teaching, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Teaching-Learning Aids & ICT Integration, Evaluation, Assessment & Measurement
  3. Paper - 1 | Unit - 2 | Research Aptitude: Introduction to Research, Validity & Reliability, Research Paradigms & Types of Research, Research Process Steps, Research Ethics, Writing & Publication
  4. Paper - 1 | Unit - 3 | Comprehension: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions)
  5. Paper - 1 | Unit - 4 | Communication: Communication Basics, Language and Semiotics, Types of Communication, Communication Models, Mass Communication, Mass Media, Journalism, General Knowledge and General Studies related to Communication
  6. Paper - 1 | Unit - 5 | Mathematical Reasoning and Aptitude: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Number System, Percentage, Ratio and Proportion (Ratios), Simple Interest and Compound Interest, Speed Time and Distance, Powers and Exponents (Surds and Indices), Profit and Loss, Average, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Verbal Analogy (Word Based Analogy), Divisibility Rules, Calendar, Miscellaneous, Time and Work, Algebra
  7. Paper - 1 | Unit - 6 | Logical Reasoning: Syllogisms, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Venn Diagram, School Of Thoughts, Fallacy, Western Logic
  8. Paper - 1 | Unit - 7 | Data Interpretation: Data Interpretation
  9. Paper - 1 | Unit - 8 | Information and Communication Technology: MS Office Applications, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Electronic Data Interchange and E-Commerce, Internet Fundamentals, Web Design & Development, Web Publishing & Hosting, Emerging Technologies, Terms & Abbreviations, Artificial Intelligence, Society, Law & Ethics, Keyboard Shortcuts, Website, Browser & Services
  10. Paper - 1 | Unit - 9 | People Development and Environment: Ecosystem, Biomes & Environmental Issues, MDG & SDG, Air Pollution, Water Pollution, Soil, Noise Pollution and Waste Management, Natural Resources, Energy & Disaster Management, Global Environmental Conventions – COP, Protocols & ISA
  11. Paper - 1 | Unit - 10 | Higher Education System: Vedic Education, Jainism & Buddhism, Ancient Universities, Pre-Independence Commissions, Post-Independence Policy, Higher Education Structure & Accreditation, Universities & Learning Programmes, Types of Education & NEP 2020
  12. Paper 2 | Unit 1 | Discrete Structures and Optimization: Propositional and Predicate Logic, Set Theory, Relations, Functions, Permutation and Combination, Probability, Graph Theory, Group Theory, Digital Systems & Boolean Basics, Boolean Expression, Boolean Minimization, Optimization
  13. Paper 2 | Unit 2 | Computer System Architecture: Logic Gates & Hardware, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Floating Point Rep, Basics of COA, Register Transfer and Microoperations, Programming the Basic Computer, Instr Formats & Modes, Control Unit Design, Pipelining, Input Output Organisation, Cache Memory Organization, Multiprocessors
  14. Paper 2 | Unit 3 | Programming Languages and Computer Graphics: Language Design, C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, HTML Basics, XML, JavaScript-Basics, Java, Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing, OOPS with C++, Java Fundamentals
  15. Paper 2 | Unit 4 | Database Management Systems: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, ORDBMS, Database Security & Authorization, Query Processing & Optimization, Enhanced Data Models, Data Warehousing & Mining, Big Data Systems, NoSQL
  16. Paper 2 | Unit 5 | System Software and Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Linux OS, Security, Distributed Systems, Virtual Machines
  17. Paper 2 | Unit 6 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  18. Paper 2 | Unit 7 | Data Structures and Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  19. Paper 2 | Unit 8 | Theory of Computation and Compilers: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Complexity Theory, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  20. Paper 2 | Unit 9 | Data Communication and Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Security, Mobile Technology, Cloud Computing and IoT, Cloud Computing
  21. Paper 2 | Unit 10 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Planning, Multi Agent Systems, Fuzzy Sets, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  22. Live Classes: NTA UGC NET 2025 Live Class
  23. Paper 1 | Full Mock Tests:
  24. Paper 2 | Full Mock Tests:
  25. Paper 1 | Previous Year Papers:
  26. Paper 2 | Previous Year Papers:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video presents a lecture on renewable energy sources, focusing on hydel power. The instructor begins by introducing the global challenges of increasing energy demand and depleting conventional sources, which makes non-conventional, renewable sources like solar, wind, and hydel power increasingly important. The lecture then transitions to a detailed explanation of hydel power, defining it as electricity generated from the potential energy of falling water. The instructor explains that this process involves a dam storing water in a reservoir, which is then released to spin a turbine connected to a generator. The video further categorizes hydel power into three types: impoundment, diversion, and pumped storage. For impoundment, the instructor describes the use of a large dam to create a reservoir. For diversion, the process is explained as channeling a portion of a river's flow through a canal or penstock to utilize the natural river gradient. Finally, the concept of pumped storage hydropower (PSH) is introduced as a 'giant battery' that stores energy by pumping water to an upper reservoir during low demand and releasing it to generate electricity during high demand. The lecture uses a digital whiteboard with text and diagrams to illustrate these concepts.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a slide titled 'Renewable sources of Energy'. The instructor explains that the world faces twin problems of increasing energy demand and limited supplies of conventional energy sources. This makes non-conventional sources, which are renewable, clean, and non-polluting, more important. The slide lists these sources as solar, wind, geothermal, wave, tidal energy, and bio-gas. The instructor gestures towards the text while speaking, emphasizing the need for alternative energy solutions.

  2. 2:00 – 5:00 02:00-05:00

    The slide changes to 'Hydel Power'. The instructor explains that hydroelectricity is produced by using the potential energy of water falling from a height. The falling water spins turbine blades, which in turn activates a generator to produce electricity. The slide notes that hydel power is a clean, eco-friendly, and renewable source, contributing nearly 7% to world electricity production. It also states that China has the largest potential, followed by Brazil, Indonesia, Canada, and Zaire, and is the largest producer, followed by Canada. The instructor points to the text on the screen to highlight key facts.

  3. 5:00 – 6:51 05:00-06:51

    The lecture details the three types of hydropower facilities. First, 'Impoundment' is described as the most common type, using a large dam to store river water in a reservoir. Water released from the reservoir flows through a turbine to generate electricity. Second, 'Diversion' is explained as a 'run-of-river' facility that channels a portion of a river's flow through a canal or penstock to use the natural decline in river bed elevation, without requiring a large dam. Third, 'Pumped Storage' (PSH) is introduced as a system that works like a giant battery. It stores electricity by pumping water from a lower reservoir to an upper reservoir during low demand and releases it to generate electricity during high demand. The instructor uses a diagram to illustrate the PSH process.

The video provides a structured and comprehensive overview of hydel power as a key renewable energy source. It begins by establishing the global context for the need for renewable energy, then systematically breaks down the concept of hydel power. The lecture progresses from a general definition to a detailed classification of the three main types of hydropower facilities—impoundment, diversion, and pumped storage. By using a combination of textual information on a digital whiteboard and a clear, step-by-step explanation, the instructor effectively communicates the principles, benefits, and operational differences of each type, making the complex topic accessible for students.

Loading lesson…