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Electromagnetic theory

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Why enroll

Participants join this course to gain a clear understanding of how electric and magnetic fields behave in nature and in technology. It helps build a strong foundation for advanced topics like Microwave Engineering, Antennas, and Optics. Students also learn practical methods to analyze and solve electromagnetic problems, which are useful in real-world applications. The skills gained in this course are valuable for careers in communications, electronics, defense, and research, while also improving overall analytical and problem-solving abilities in electrical engineering.

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Is this course for you?

You should take this if

You work in Telecommunication or Electronics & Instrumentation
You're a Electronics & Telecommunication / Physics & Physical Science 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 Electronics & Telecommunication
You need live interaction with an instructor

Course details

Electromagnetic Theory is a foundational course in Electrical Engineering that explores the behavior of electric and magnetic fields, both in static conditions and when they vary with time. The course introduces students to the principles behind how electromagnetic fields are generated, how they interact with materials, and how they propagate through space.By the end of this course, students gain a strong foundation in electromagnetics, enabling them to confidently pursue advanced topics such as Microwave Engineering, Antenna Design, and Optical Engineering. The course combines theoretical understanding with practical applications, preparing students to analyze, model, and design real-world electromagnetic systems.
Source: Electromagnetic Theory [Youtube Channel] NPTEL

Course suitable for

Key topics covered

Introduction to Electromagnetic Theory – Basics and importance.
Coulomb’s Law – Force between electric charges.
Vector Analysis (Part I) – Understanding vectors in physics.
Introduction to Coordinate Systems – Rectangular system basics.
Rectangular Coordinate System – Coordinates and applications.
Vector Analysis (Part II) – Advanced vector operations (div, curl, grad).
Gauss’s Law and Electric Flux – Field and flux relation.
Electric Field due to Charge Distributions – Field patterns from different charges.
Electric Potential and Energy – Potential concepts in fields.
Poisson & Laplace Equations – Field equations for potentials.
Boundary Conditions in Electrostatics – Field behavior at surfaces.
Magnetostatics and Ampere’s Law – Magnetic fields from currents.
Maxwell’s Equations Overview – The heart of electromagnetics.
Electromagnetic Waves – Wave propagation basics.
Transmission Lines Intro – How signals travel along cables.

Course content

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

30 lectures13 hr 49 min

Introduction to EMT
32 min
Coulomb's law
22 min
Vector analysis-I and Introduction to Co-ordinate system
18 min
Rectangular Co-ordinate system
31 min
Vector analysis-II
36 min
Introduction to Electric field
31 min
Electric field-I
20 min
Cylindrical Co-ordinate system
29 min
Transformation & Electric field-II
24 min
Electric Potential-I
30 min
Spherical Co-ordinate system & Electric potential-II
35 min
Vector Analysis-III & Electric potential-III
32 min
Gauss’s Law & its application-I
25 min
Gauss’s Law & its application-II
23 min
Divergence & Poisson’s & Laplace’s Equation
30 min
Gauss’s Law & its application -III
35 min
Vector analysis –III (Curl and its significance)
22 min
Conductor & Dielectric-I
29 min
Polarization -I
28 min
Polarization -II
28 min
Polarization –II (contd.)
20 min
Boundary condition
21 min
Continuity Equation & Conductors-III
30 min
Conductors – IV
27 min
Conductor –IV (contd.) & Capacitor - I
30 min
Capacitor - II
26 min
Capacitor - II (contd.) & Equipotential Surfaces
28 min
Solution of Laplace’s equation-I
33 min
Solution of Laplace’s equation-I I & method of images-I
25 min
Method of images-II
29 min

Opportunities that await you!

Skills & tools you'll gain

Engineering & Design

Project Management

Research & Developmnet

Career opportunities

Why people choose EveryEng

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Questions and Answers

Q: You're reviewing a wiring GA and asking yourself: "how to read electromagnetic shield grounding symbol on automotive wiring drawing". The extract shows a twisted pair with a 360° shield symbol terminated to chassis at the ECU, and a dashed shield drain tied to signal ground at the sensor. The DFMEA flagged EMI risk at 40,000 km. What’s the most defensible interpretation of the drawing intent?

A: The 360° symbol is the tell. That symbol is only used when the shield is bonded circumferentially for high-frequency control, while a dashed drain to signal ground handles low-frequency return without injecting noise into chassis. That split termination is deliberate EMI tuning, not drafting noise.

Q: During commissioning, you search "what happens when magnetic saturation increases coil current in automotive solenoid". A proportional valve solenoid shows rising current with no force increase as temperature climbs. What’s the correct downstream interpretation and response?

A: The boundary is saturation flux density. Past that knee, force flattens while losses climb fast, and insulation life collapses. Pushing current is a warranty trap you only learn from burned coils.

Q: You're stuck on a call and type "estimate inductive kick voltage automotive relay". A 12 V relay coil is 40 mH and 0.5 A at steady state. The driver opens the circuit in 50 µs with no suppression. Order-of-magnitude, what voltage appears?

A: The hard number is di/dt: 0.5 A over 50 µs gives 10,000 A/s. L·di/dt lands you in the kilovolt class before parasitics intervene. That’s why clamps exist.

Q: You google "P&ID symbol ferrite bead vs inductor difference" while staring at an incomplete instrument list. The harness drawing shows a small rectangle on a signal line, tagged FB12, no value given. What assumption is safest for EMC risk?

A: The 100 MHz impedance convention is the boundary. Beads look like inductors on paper but behave as lossy RF dampers, and misclassifying them breaks EMI predictions.