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AC Fundamentals.

AC Fundamentals. banner
Preview this course
Self-paced Beginner

AC Fundamentals.

3(115)
220 views
FREE
359 min
Anytime
English
220 views
Engineering Academy
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Why enroll

Participants join this course to build a strong and clear understanding of electrical and AC circuit fundamentals in simple, easy language. It helps them solve numerical problems confidently and understand core concepts like AC circuits, network theorems, and power. The course is highly useful for competitive exams, technical interviews, and practical electrical work.

Is this course for you?

You should take this if

  • You work in Electronics & Instrumentation
  • You're a Electrical Engineering professional
  • You want to build skills in Engineering & Design, Project Management
  • You prefer self-paced learning you can revisit

You should skip if

  • You need a different specialisation outside Electrical Engineering
  • You need live interaction with an instructor

Course details

This course is designed to build a strong foundation in electrical and AC circuit fundamentals for students and job-oriented exam aspirants. It starts with basic electrical concepts such as voltage, current, EMF, and electrical networks, helping learners understand how circuits work from the ground up. The course explains AC fundamentals including RMS value, average value, form factor, frequency, and phase in a simple manner. Learners will understand active, reactive, and apparent power and their importance in real electrical systems. Detailed coverage of AC circuits with resistor, inductor, and capacitor explains why current leads or lags voltage. The course includes RL, RC, and RLC circuits, along with resonance concepts. Kirchhoff’s laws (KCL & KVL) and problem-solving techniques are explained step by step. Important network theorems such as Superposition, Thevenin’s, Norton’s, and Maximum Power Transfer are covered with clear conditions and applications. Concepts of ideal and practical voltage and current sources are also included. The course focuses on numerical problems, MCQs, and exam-oriented questions, making it highly useful for competitive exams and practical understanding.

Source:
Vizag Tech Hub (Youtube)

Course suitable for

Key topics covered

  • RMS Value

  • Average Value

  • Form Factor

  • Active Power

  • Reactive Power

  • Apparent Power

  • Resonance

  • Basic AC concepts

  • Sinusoidal waveforms

  • Frequency and phase angle

  • Electrical network basics

  • Elements of a network

  • Types of circuits

  • Kirchhoff’s Current Law (KCL)

  • Kirchhoff’s Voltage Law (KVL)

  • Voltage

  • Current

  • EMF

  • Electrical Network

  • Star to Delta conversion

  • Delta to Star conversion

  • Numerical problems

  • AC circuit analysis

  • Impedance concepts

  • Phase relationships

  • Ideal voltage source characteristics

  • Practical voltage source characteristics

  • Ideal current source characteristics

  • Practical current source characteristics

  • Principle of superposition

  • Application steps

  • Limitations

  • Thevenin’s theorem

  • Norton’s theorem

  • Conversion between Thevenin and Norton

  • DC circuit fundamentals

  • Network theorems

  • Exam-oriented questions

  • Concept of maximum power transfer

  • Condition for maximum power transfer

  • Voltage–current relationship

  • Power consumption

  • Inductive reactance

  • Current lagging voltage

  • Reason for phase lag

  • Capacitive reactance

  • Current leading voltage

  • Reason for phase lead

  • Types of capacitors

  • Applications

  • Important MCQs

  • Single-phase AC fundamentals

  • Power calculations

  • RL circuit analysis

  • RC circuit analysis

  • RLC circuit behavior

  • Loop analysis

  • Numerical problem solving

  • Introduction to AC

  • Basic AC parameters

  • Or turn it into a study plan or PPT outline 📘✨

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

25 lectures5 hr 59 min
  1. ELECTRICAL AC FUNDAMENTALS-1 || RMS VALUE || AVERAGE VALUE || FORM FACTOR ||
    14 min
  2. ELECTRICAL AC FUNDAMENTALS-2 || ACTIVE,REACTIVE,APPARENT POWER || RESONANCE ||
    11 min
  3. AC circuits fundamentals in English
    24 min
  4. ELECTRICAL NETWORKS PART-1
    19 min
  5. TSSPDCL || JUNIOR LINEMAN || Basics KVL & KVL ||
    12 min
  6. ELECTRICAL || VOLTAGE || CURRENT || EMF|| NETWORK || PART-4
    6 min
  7. TSSPDCL || JUNIOR LINEMAN || PROBLEMS ON STAR DELTA CONVERSION ||
    11 min
  8. TSSPDCL || JUNIOR LINEMAN || Ac circuits lec - 2 ||
    11 min
  9. IDEAL AND PRACTICLE VOLTAGE SOURCES
    9 min
  10. IDEAL AND PRACTICLE CURRENT SOURCES
    8 min
  11. Superposition theorem
    8 min
  12. THEVENIN'S AND NORTON'S THEOREMS IN TELUGU
    15 min
  13. Electrical Networks And DC basics important questions
    38 min
  14. Know about maximum power transfer theorem and condition for maximum power transfer theorem
    11 min
  15. AC THROUGH PURE RESISTOR
    8 min
  16. AC THROUGH PURE INDUCTOR & WHY CURRENT LAGS IN INDUCTOR
    9 min
  17. AC THROUGH CAPACITOR & HOW CURRENT LEADS VOLTAGE
    6 min
  18. VIZAG STEEL JT Electrical || CAPACITORS || Important mcq for competative exams ||
    18 min
  19. VIZAG STEEL JT ELECTRICAL || MAXIMUM POWER TRANSFER THEOREM || SIVARAMARAJU ||
    14 min
  20. AP Sachivalayam & Vizag steel || digital assistant & junior trainee || Electrical classes lec-01 ||
    23 min
  21. vizag steel & digital assistant || single phase Ac circuits || lec-03 ||
    20 min
  22. VIZAG STEEL & AP Grama sachivalayam || junior trainee & Digital assistant || AC - circuits-2 ||
    17 min
  23. VIZAG STEEL- JT & AP Grama sachivalayam -DA || AC circuits-III RL RC RLC ||
    24 min
  24. TSSPDCL || JUNIOR LINEMAN || Important problem on KVL || P SIVARAMARAJU ||
    11 min
  25. TSSPDCL || JUNIOR LINEMAN || Ac circuits lec - 1 ||
    12 min

Opportunities that await you!

Skills & tools you'll gain

Engineering & DesignProject ManagementResearch & Developmnet

Career opportunities

Why people choose EveryEng

Industry-aligned courses, expert training, hands-on learning, recognized certifications, and job opportunities-all in a flexible and supportive environment.

What learners say about this course

Engineering Academy
Engineering Academy Engineer
Feb 7, 2026

Nice Explanation

Mohit Navelkar
Mohit Navelkar Mechanical Engineer
May 3, 2026

Grabbed this to tighten up system design thinking, not to chase math proofs, and it mostly fit that lane for a beginner course. The chapter that stuck was the self‑attention walkthrough where they freeze on a 4‑token sentence and sketch Q/K/V shapes on screen, then show how a tiny change in softmax temperature flips the output; that’s now a note in our repo next to an old PR. Framing transformers as an arch choice with tradeoffs helped when we talked about prod inference paths and why RPS falls off under longer contexts. it's light on infra realities, though. I wasn’t sold on the quick pass over scaling; a bit more on k8s placement, CI checks for model drift, or basic obs would’ve helped teams shipping this stuff. Still, it nudged us to clean up assumptions, and we’re already tweaking on‑call docs to match how attention actually behaves.

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Davey Enyia
May 3, 2026

The ramp from symbols to actual circuits didn't whiplash; concepts stacked in a way a beginner can keep in cache. Chapter 3’s Ohm’s Law bench demo stuck, especially the moment the instructor calls out the 9.6V sag on the multimeter after adding a second resistor, not just the formula. Framing labs like small PRs helped: wire it, test, note failure modes, then iterate, which maps to how things break in prod even if the domain’s different. Some bits were mostly fine but rushed; the AC section and power ratings felt thin, and I wasn't sold on skipping breaker safety beyond a slide. It's clean enough to run between meetings, though I've seen clearer obs on why mistakes happen when RPS goes up—one aside tying heat to failure would’ve helped. next pass, I’ll probably be sharper about gaps because this set a baseline.

Balaji Paskanti
Balaji Paskanti mechanical engineer
May 3, 2026

After weeks of arch debates on the team, this beginner pass on electricity helped ground the conversations. The moment in Chapter 2 where they derive Ohm’s Law using the LED + resistor calc and actually show why 330Ω works stuck with me. I wasn't sold on the AC section pace; wished there was a quick oscilloscope aside. I've already caught myself sanity-checking current limits before wiring, which might save a couple rough late nights later.

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Questions and Answers

A: A: Phase rotation is upstream and fast to verify. Wrong rotation can trip a VFD before torque builds. B: You don’t have the datasheet and you’re already faulting before steady voltage matters. C: That’s an MOC without diagnosis. You’ll mask the real issue. D: Earth continuity matters, but it won’t explain a rotation-related immediate trip.

A: A: Constant power behavior drives current up. Textbook, but still missed in the field. B: Reactance is frequency-driven, not voltage-driven. C: Capacitors don’t change kvar output just because voltage dips this small. D: Skin effect tracks frequency and geometry, not line voltage.

A: A: D-curve tolerates 6–10× inrush. That’s what DOL demands. B: B-curve trips fast. You’ll never get through start. C: Instantaneous at 1.1× FLC is basically guaranteed nuisance. D: Cables aren’t motors. You’ve dropped overload protection.

A: A: Dissimilar metals plus humidity equals galvanic action. B: Oxide layers stabilize; conductivity loss isn’t dominant here. C: SCC needs specific chemistries you don’t have. D: Magnetic fields don’t pit metals.