Electromagnetism I

Unit 1 – Electric Charge and Coulomb's Law

Unit 2 – Electric Fields and Field Lines

Unit 3 – Gauss's Law and Applications

Unit 4 – Electric Potential & Energy

Unit 5 – Conductors, Capacitors & Dielectrics

Unit 6 – Current, Resistance, and EMF

Unit 7 – DC Circuits and Kirchhoff's Rules

Unit 8 – Magnetic Fields and Forces in Magnetostatics

Unit 9 – Magnetic Fields: Biot-Savart & Ampère's Laws

Unit 10 – Faraday's and Lenz's Laws of Induction

Unit 11 – Inductance and Magnetic Energy

Unit 12 – AC Circuits and Phasors

Unit 13 – Maxwell's Equations & EM Waves

Unit 14 – Electromagnetic Radiation Properties

## What do you learn in Electromagnetism I

Electromagnetism I covers the fundamental principles of electricity and magnetism. You'll dive into electric fields, Gauss's law, electric potential, capacitance, and current. The course also explores magnetic fields, Ampère's law, Faraday's law of induction, and Maxwell's equations. It's all about understanding how electric and magnetic phenomena interact and shape our world.

## Is Electromagnetism I hard?

Electromagnetism I has a reputation for being challenging, and honestly, it can be. The concepts are pretty abstract, and there's a lot of math involved. But don't let that scare you off. With consistent effort and practice, most students find it manageable. The key is to stay on top of the material and not fall behind, because things build on each other quickly.

## Tips for taking Electromagnetism I in college

1. Use [Fiveable Study Guides](https://fiveable.me/cram-mode) to help you cram. 🌶️
2. Practice, practice, practice! Solve as many problems as you can, especially with Gauss's law and Ampère's law.
3. Visualize the fields. Draw diagrams to help understand concepts like flux and curl.
4. Master vector calculus. It's crucial for understanding div, grad, and curl operations.
5. Use online simulations to see electromagnetic fields in action.
6. Form a study group. Explaining concepts to others helps solidify your understanding.
7. Watch YouTube videos by channels like Khan Academy or MIT OpenCourseWare for different explanations.
8. Read "A Student's Guide to Maxwell's Equations" by Daniel Fleisch for a clearer understanding.

## Common pre-requisites for Electromagnetism I

1. Calculus III: This course covers multivariable calculus and vector analysis. You'll learn about partial derivatives, multiple integrals, and vector fields, which are essential for E&M.

2. Classical Mechanics: This class introduces you to Newton's laws, conservation principles, and dynamics. It provides a solid foundation in physics problem-solving that you'll need for E&M.

## Classes similar to Electromagnetism I

1. Quantum Mechanics: This course delves into the bizarre world of subatomic particles. You'll learn about wave functions, the Schrödinger equation, and the uncertainty principle.

2. Thermodynamics and Statistical Mechanics: This class explores heat, energy, and the behavior of large systems of particles. You'll study concepts like entropy, free energy, and phase transitions.

3. Optics: This course focuses on the behavior of light. You'll learn about reflection, refraction, interference, and diffraction, building on your knowledge of electromagnetic waves.

4. Electrodynamics: This is the follow-up to E&M I, diving deeper into electromagnetic waves and relativity. You'll explore radiation, waveguides, and more advanced applications of Maxwell's equations.

## Majors related to Electromagnetism I

1. Physics: Focuses on understanding the fundamental laws of nature. Physics majors study everything from subatomic particles to the cosmos, with E&M being a core component.

2. Electrical Engineering: Applies electromagnetic principles to design and develop electrical systems. EE majors learn to work with circuits, power systems, and electronic devices.

3. Materials Science: Explores the properties and behavior of various materials. Materials scientists use electromagnetic concepts to study and manipulate the electronic properties of materials.

4. Astronomy: Investigates celestial objects and phenomena in the universe. Astronomers use electromagnetic theory to understand cosmic radiation and stellar magnetic fields.

## What can you do with a degree in Electromagnetism I?

1. Research Physicist: Conducts experiments and develops theories to advance our understanding of physical phenomena. Research physicists might work in academia, national labs, or industry, often focusing on specific areas like particle physics or condensed matter.

2. Electrical Engineer: Designs and develops electrical systems and devices. Electrical engineers work on everything from microchips to power grids, applying electromagnetic principles to solve real-world problems.

3. Medical Physicist: Applies physics principles to medicine, particularly in imaging and radiation therapy. Medical physicists work in hospitals and research institutions, developing and improving diagnostic and treatment technologies.

4. Aerospace Engineer: Designs aircraft, spacecraft, and related systems. Aerospace engineers use their knowledge of electromagnetics for things like radar systems, satellite communications, and electromagnetic propulsion.

## Electromagnetism I FAQs

1. How much math do I need to know? A solid grasp of vector calculus is crucial. You'll be using div, grad, and curl operations frequently, so brush up on your Calc III skills.

2. Are there any good online resources for this course? Absolutely! Websites like HyperPhysics and MIT OpenCourseWare offer great supplementary materials and problem sets.

3. How does this course relate to real-world applications? E&M I lays the groundwork for understanding everything from electric motors to wireless communication. The principles you learn here are fundamental to modern technology.

Physics

Electrical Engineering

1.1 Electric charge and its properties

1.4 Quantization of charge and conservation of charge

1.2 Coulomb's law and electrostatic force

1.3 Superposition principle and multiple charges

2.1 Electric field concept and definition

2.4 Motion of charged particles in electric fields

2.2 Electric field lines and their properties

2.3 Electric fields of point charges and continuous charge distributions

3.1 Gauss's law and its derivation

3.2 Gaussian surfaces and symmetry

3.3 Applications of Gauss's law to various charge distributions

3.4 Electric field and potential for conductors

4.1 Electric potential energy and potential difference

4.2 Calculating electric potential from electric field

4.3 Equipotential surfaces and their properties

4.4 Potential of point charges and continuous charge distributions

5.2 Capacitance and capacitors

5.3 Dielectrics and their effect on capacitance

5.1 Properties of conductors in electrostatic equilibrium

5.4 Energy stored in capacitors and capacitor combinations

6.1 Electric current and current density

6.2 Resistance, resistivity, and Ohm's law

6.3 Electromotive force and internal resistance

6.4 Power and energy in electric circuits

7.1 Series and parallel combinations of resistors

7.2 Kirchhoff's current and voltage laws

7.3 Analysis of multi-loop circuits

7.4 RC circuits and transient behavior

8.1 Magnetic fields and magnetic force on moving charges

8.2 Motion of charged particles in magnetic fields

8.3 Magnetic force on current-carrying conductors

8.4 Torque on current loops and magnetic dipole moments

9.1 Biot-Savart law and its applications

9.2 Ampère's law and its applications

9.3 Magnetic fields of current distributions

9.4 Comparison of electrostatic and magnetostatic fields

10.1 Faraday's law of electromagnetic induction

10.2 Lenz's law and its applications

10.3 Motional emf and induced electric fields

10.4 Eddy currents and applications of electromagnetic induction

11.4 Coupled circuits and transformers

11.1 Self-inductance and mutual inductance

11.2 Energy stored in magnetic fields

11.3 RL circuits and transient behavior

12.1 Alternating current and voltage

12.2 Phasors and complex impedance

12.4 Power in AC circuits and power factor

12.3 RLC circuits and resonance

13.1 Displacement current and Ampère-Maxwell law

13.2 Maxwell's equations in integral and differential forms

13.3 Electromagnetic wave equation and its solutions

13.4 Energy and momentum of electromagnetic waves

14.1 Generation of electromagnetic waves

14.3 Polarization of electromagnetic waves

14.2 Electromagnetic spectrum and wave properties

14.4 Reflection, refraction, and dispersion of electromagnetic waves

Browse all Electromagnetism I Key Terms

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