4.0 Introduction to Time-varying Fields | EE302 | EC504 (A) | EX504 (B) |

UNIT 4 | ELECTROMAGNETIC THEORY

4.0 Introduction to Time-varying Fields

Welcome to Unit 4 of our Electromagnetic Theory course! In this section, we unravel the captivating dynamics of time-varying fields. Join Dr. Anuprita Mishra on this intellectual journey through Maxwell's equations, magnetic potentials, and the intricacies of electromagnetic phenomena.

4.0 Introduction to Time-Varying Fields:
Explore the foundations of time-varying fields, setting the stage for a deep dive into the dynamic aspects of electromagnetic theory.

4.1 Scalar Magnetic Potential & its Limitations:
Delve into the concept of scalar magnetic potential, understanding its applications and limitations. Challenge yourself with problems to reinforce your learning.

4.2 Vector Magnetic Potential:
Uncover the power of vector magnetic potential and its role in describing magnetic fields. Test your understanding with thought-provoking problems.

4.3 Faraday’s Law, Transformer & EMFs:
Grasp Faraday's Law, its applications in transformers, and the generation of electromotive forces (EMFs) in various scenarios.

4.4 Maxwell’s Equations as Generalization of Circuit Equations:
Witness the connection between Maxwell's equations and the generalization of circuit equations, bridging the gap between theory and application.

4.5 Displacement Current:
Explore the concept of displacement current, especially in the context of lossy dielectric materials, unraveling its significance in electromagnetic theory.

4.6 Modified Ampere’s Law:
Understand the modifications made to Ampere's Law to accommodate the complexities of time-varying fields.

4.7 Maxwell’s Equation for Static and Steady Fields:
Dive into the differential and integral forms of Maxwell's equations for static and steady fields, exploring their applications in different mediums.

4.8 Maxwell’s Equations for Time-Varying Fields:
Witness the differential and integral forms of Maxwell's equations adapted for time-varying fields, with a specific focus on harmonically varying fields.

4.9 Self & Mutual Inductances:
Explore the fascinating concepts of self and mutual inductances, crucial elements in understanding electromagnetic interactions.

4.10 Determination of Self and Mutual Inductances:
Learn methods to determine self and mutual inductances, unlocking the ability to analyze complex electromagnetic systems.

4.11 Energy Stored in Magnetic Field:
Unravel the mysteries of energy storage in magnetic fields, gaining insights into the dynamic nature of electromagnetic systems.

4.12 Self-Inductance of Solenoid:
Explore the self-inductance of a solenoid, understanding its implications in electromagnetic circuits.

4.13 Self-Inductance of Toroid Coils:
Conclude this unit by delving into the self-inductance of toroid coils, bringing your understanding of electromagnetic theory to a comprehensive level.

Join us in this exploration of Unit 4, where theory meets application in the dynamic realm of time-varying electromagnetic fields.

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