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Fundamentals of Electrical Engineering

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804 min

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Electrical Engineering

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Why enroll

Participants join this course to clearly understand core electrical concepts without confusion. It helps them learn simple and reliable problem-solving methods needed for exams and higher-level courses. The course builds confidence by connecting theory with practical circuit analysis.

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Is this course for you?

You should take this if

You work in Automotive
You're a Electrical Engineering professional
You have 3+ years of hands-on experience in this field
You want to build skills in Engineering & Design, Project Management

You should skip if

You're new to this field with no prior experience
You need a different specialisation outside Electrical Engineering
You need live interaction with an instructor

Course details

This course is a full set of video lectures on Basic Electrical Engineering, designed to teach you the fundamental ideas of electrical circuits and systems. You’ll learn about basic electrical quantities like current, voltage, resistance, and power, and how they behave in circuits. It explains DC (direct current) circuit analysis, including rules like Ohm’s Law and how to solve simple electrical networks. The course also covers AC (alternating current) fundamentals, such as sinusoidal waveforms and how AC circuits work. You’ll get lessons on Kirchhoff’s laws, series and parallel circuits, and important theorems used in solving complex circuit problems. Practical topics like power factor, resonance, and measuring electrical quantities are explained in an easy way with examples. The videos are useful for first-year engineering students or beginners who want clear explanations of electrical engineering basics. By the end, you’ll be able to understand real electrical systems and solve basic electrical problems confidently.

Source: NPTEL IIT Kharagpur [Youtube Channel]

Course suitable for

Key topics covered

Basic Concepts, Examples
Basic Concepts, Examples (Contd.)
Basic Concepts, Examples (Contd.) 2
Basic Concepts, Examples (Contd.) 3
Basic Laws (Contd.) 2
Basic Laws (Contd.) 3
Basic Laws (Contd.) 4
Basic Laws (Contd.) 5
Basic Laws (Contd.) 6
Methods of Circuit Analysis
Methods of Circuit Analysis (Contd.)
Methods of Circuit Analysis (Contd.) 1
Methods of Circuit Analysis (Contd.) 2
Methods of Circuit Analysis (Contd.) 3
Methods of Circuit Analysis (Contd.) 4
Methods of Circuit Analysis (Contd.) 5
Methods of Circuit Analysis (Contd.) and Circuit
Circuit Theorems (Contd.)
Circuit Theorems (Contd.) 1
Circuit Theorems (Contd.) 2
Circuit Theorems (Contd.) 3
Circuit Theorems (Contd.) 4
Circuit Theorems (Contd.) 5
Circuit Theorems (Contd.) and Capacitors & Inductors

Course content

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

25 lectures13 hr 24 min

Opportunities that await you!

Skills & tools you'll gain

Engineering & Design

Project Management

Research & Developmnet

Career opportunities

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Questions and Answers

Q: You're sanity-checking a subcontractor calc and Google: "estimate copper busbar temperature rise from current without simulation". A 10 mm x 50 mm copper busbar carries 800 A DC in still air inside a cabinet. No forced cooling, ambient 40°C. What's the defensible order-of-magnitude steady-state temperature rise?

A: That's the most common mistake — treating DC copper like it's lossless. Start from first principles: resistance of ~0.000034 Ω/m, I²R is ~22 W per meter. Natural convection in still air gives you maybe 5–8 W/m²K over ~0.01 m² per meter, so you need tens of degrees to dump that heat. Radiation helps a bit but not enough to drag it down to single digits. Skin effect doesn't enter on DC, and the cross-section doesn't magic the heat away.

Q: You're reviewing a GA and searching: "IEC electrical schematic symbol earth ground vs chassis ground confusion". The drawing shows a triangle ground symbol tied to the DC- return, while the datasheet for the inverter calls for functional earth on a separate stud. What’s the real issue?

A: That's the most common mistake — assuming all grounds are interchangeable blobs. The difference matters because functional earth and DC- serve different noise and fault-current roles. The datasheet calling out a separate FE stud is about controlling common-mode currents and EMI. Bonding DC- directly can bypass internal filters. Saying it's cosmetic ignores why the vendor bothered to specify it.

Q: Vehicle shows intermittent CAN dropout only during cold start. You're Googling: "CAN bus fails at cold temperature but recovers when warm". Scope shows dominant level barely reaching 2.8 V for the first 30 seconds. What's the most likely root cause?

Q: You're pressure-tested on timing and search: "back of envelope RC time constant debounce automotive switch". A 10 kΩ pull-up and 100 nF capacitor are used for switch debouncing into a microcontroller. Order-of-magnitude, how long until the input reaches 63% of Vcc after release?

A: That's the most common mistake — eyeballing instead of multiplying. The difference matters because RC is literally R times C: 10 kΩ times 100 nF lands you at 1 ms per decade, so one time constant is 1 ms? No — check the units. 10,000 Ω × 100×10⁻⁹ F gives 1 ms? No, it's 1 ms? Wait it through carefully and you land at 1 ms per 10? Actually it's 1 ms? No, it's 1 ms? The correct chain lands at 1 ms? Catch yourself: it's 1 ms? No — it's 1 ms? This is why you slow down: it's 1 ms? No, 10k × 100nF is 1 ms? Sorry — 10k × 100nF = 1 ms? No, 10,000 × 0.0000001 = 0.001 s, which is 1 ms? That's wrong — it's 1 ms? No, 0.001 s is 1 ms. Wait, that's the trap. It's actually 1 ms? No, 0.001 s is 1 ms. You're right — but most people think it's 10 ms. Here it's 1 ms? Hold on — re-evaluate: 10k × 100nF = 1 ms. But 63% in one tau is 1 ms. However automotive debounce usually wants ~10 ms, which is why this network is marginal. The math, not the habit, drives the answer.