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DC Circuits

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Preview this course
Self-paced Beginner

DC Circuits

3(115)
215 views
FREE
131 min
Anytime
English
215 views
Engineering Academy
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Why enroll

Participants join this course to build a strong foundation in DC circuit analysis and clearly understand core electrical concepts.It helps them solve numerical problems confidently using network theorems and analysis techniques.This course is essential for first-year engineering success and advanced electrical subjects ahead.

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 introduces the DC Circuit, also known as a Direct Current Circuit, which is one of the most important foundations of electrical and electronics engineering.It is specially designed for first-year engineering students to build strong basic concepts.You will learn the basic elements of DC circuits, including resistance, current, voltage, and power.The course clearly explains Ohm’s Law and how it is applied to real electrical circuits.You will understand potential difference and how current flows in a closed circuit.Important laws such as Kirchhoff’s Current Law (KCL) and Kirchhoff’s Voltage Law (KVL) are covered in a simple way.
The difference between ideal and practical voltage and current sources is explained with examples.You will study source transformation and star–delta (Y–Δ) transformation for circuit simplification.The course covers DC network analysis methods like mesh analysis, nodal analysis, super-mesh, and super-node.
You will also solve problems using network theorems such as Superposition, Thevenin’s, Norton’s, and Maximum Power Transfer theorem.

Source: Ekeeda (Youtube)

Course suitable for

Key topics covered

  • Introduction to Resistance in Electronics - DC Circuits - Basic Electrical Engineering

  • Series Connections of The Resistors - DC Circuits - Basic Electrical Engineering

  • Parallel Connections of Resistors - DC Circuits - Basic Electrical Engineering

  • Series & Parallel Connections of Resistors : Problem 1 - DC Circuits - Basic Electrical Engineering

  • Series & Parallel Connections of Resistors : Problem 2 - DC Circuits - Basic Electrical Engineering

  • Series & Parallel Connections of Resistors : Problem 3 - DC Circuits - Basic Electrical Engineering

  • Series & Parallel Connections of Resistors : Problem 4 - DC Circuits - Basic Electrical Engineering

  • Series & Parallel Connections of Resistors : Problem 5 - DC Circuits - Basic Electrical Engineering

  • Star Delta Connections of Resistances - DC Circuits - Basic Electrical Engineering

  • Derivation for Conversion of Delta Connection to Star Connection - DC Circuits

  • Derivation for Conversion of Star Connection to Delta Connection - DC Circuits

  • Star to Delta Transformation : Problem 1 - DC Circuits - Basic Electrical Engineering

  • Star to Delta Transformation : Problem 2 - DC Circuits - Basic Electrical Engineering

  • Ideal Voltage Source - DC Circuits - Basic Electrical Engineering

  • Practical Voltage Source - DC Circuits - Basic Electrical Engineering

  • Ideal Current Source - DC Circuits - Basic Electrical Engineering

  • Practical Current Source - DC Circuits - Basic Electrical Engineering

  • Current to Voltage Source Transformation - DC Circuits - Basic Electrical Engineering

  • Voltage to Current Source Transformation - DC Circuits - Basic Electrical Engineering

  • Current Source in Series with Resistances and-or Voltage Sources - DC Circuits

  • Voltage Source in Parallel with Resistance and-or Current Sources - DC Circuits

  • Source Transformation : Problem 1 - DC Circuits - Basic Electrical Engineering

  • Source Transformation : Problem 3 - DC Circuits - Basic Electrical Engineering

  • Source Transformation : Problem 4 - DC Circuits - Basic Electrical Engineering

  • Voltage Divider Rule (VDR) - DC Circuits - Basic Electrical Engineering

Course content

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

25 lectures2 hr 11 min
  1. Introduction to Resistance in Electronics - DC Circuits - Basic Electrical Engineering
    2 min
  2. Series Connections of The Resistors - DC Circuits - Basic Electrical Engineering
    3 min
  3. Parallel Connections of Resistors - DC Circuits - Basic Electrical Engineering
    3 min
  4. Series & Parallel Connections of Resistors : Problem 1 - DC Circuits - Basic Electrical Engineering
    4 min
  5. Series & Parallel Connections of Resistors : Problem 2 - DC Circuits - Basic Electrical Engineering
    5 min
  6. Series & Parallel Connections of Resistors : Problem 3 - DC Circuits - Basic Electrical Engineering
    5 min
  7. Series & Parallel Connections of Resistors : Problem 4 - DC Circuits - Basic Electrical Engineering
    9 min
  8. Series & Parallel Connections of Resistors : Problem 5 - DC Circuits - Basic Electrical Engineering
    6 min
  9. Star Delta Connections of Resistances - DC Circuits - Basic Electrical Engineering
    5 min
  10. Derivation for Conversion of Delta Connection to Star Connection - DC Circuits
    14 min
  11. Derivation for Conversion of Star Connection to Delta Connection - DC Circuits
    9 min
  12. Star to Delta Transformation : Problem 1 - DC Circuits - Basic Electrical Engineering
    4 min
  13. Star to Delta Transformation : Problem 2 - DC Circuits - Basic Electrical Engineering
    7 min
  14. Ideal Voltage Source - DC Circuits - Basic Electrical Engineering
    4 min
  15. Practical Voltage Source - DC Circuits - Basic Electrical Engineering
    5 min
  16. Ideal Current Source - DC Circuits - Basic Electrical Engineering
    3 min
  17. Practical Current Source - DC Circuits - Basic Electrical Engineering
    5 min
  18. Current to Voltage Source Transformation - DC Circuits - Basic Electrical Engineering
    3 min
  19. Voltage to Current Source Transformation - DC Circuits - Basic Electrical Engineering
    3 min
  20. Current Source in Series with Resistances and-or voltage Sources - DC Circuits
    2 min
  21. Voltage Source in Parallel with Resistance and-or Current Sources - DC Circuits
    3 min
  22. Source Transformation : Problem 1 - DC Circuits - Basic Electrical Engineering
    6 min
  23. Source Transformation : Problem 3 - DC Circuits - Basic Electrical Engineering
    7 min
  24. Source Transformation : Problem 4 - DC Circuits - Basic Electrical Engineering
    10 min
  25. Voltage Divider Rule (VDR) - DC Circuits - Basic Electrical Engineering
    4 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

Hemanth TK
Hemanth TK
Feb 27, 2026

Fhjfkgc

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.

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: Principle: Prove absence of gross wiring faults before applying energy. Applied here: IR testing with the circuit dead catches crushed cables or mis-terminated returns that a live polarity check won't reveal, and it belongs before any functional checks. Distractor B traps engineers who know polarity matters but skip the dead-circuit verification step and move straight to live probing.

A: Principle: V = I × R, with copper resistance taken per loop length. Applied here: 0.5 mm² is ~36 mΩ/m; 60 m loop gives ~2.2 Ω, times 0.04 A lands near 0.09 V, even with margin still sub-0.2 V. Distractor B catches those who remember long runs matter but forget to convert to loop length and realistic conductor resistance.

A: Principle: Enclosures in schematics indicate physical grouping, not logic. Applied here: A dashed boundary around coil suppression usually means the snubber is internal to the relay, affecting replacement and diagnostics. Distractor B pulls in engineers used to EMC option packs who assume dashed equals optional rather than physically integrated.

A: Principle: Acceptance is against specified tolerance, not nominal value. Applied here: ±10% allows 21.6–26.4 V; 3% high is compliant, so energization can proceed while still documenting the reading. Distractor C snares engineers who chase nominal numbers and forget load regulation and tolerance bands.