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This is a comprehensive course on Ohm's law and Direct-Current (DC) circuits, which are circuits where the direction of the current in a circuit element does not very with time. The topics in covered in this class are:

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This is a comprehensive course on Ohm's law and Direct-Current (DC) circuits, which are circuits where the direction of the current in a circuit element does not very with time. The topics in covered in this class are:

1. Current and the Motion of Charges

  • Definition of electric current and current density
  • Finding the drift velocity and density number

2. Resistance and Ohm's Law

  • Review of Ohm's law
  • Understanding the difference between Resistance and Resistivity
  • Understand the Color Code for Resistors
  • Connection to the Electric Field

3. Energy in Electric Circuits

  • Review of Power
  • Rate of Potential Energy Loss
  • Rate of Power Dissipated in a Resistor
  • EMF's and Batteries
  • Internal Resistance and Maximum Power Delivered

4. Combinations of Resistors

  • Simplifying Electric Circuits
  • Equivalent Resistors
  • Resistors in Series vs Parallel and how to identify the different combinations

5. Applying Kirchhoff's Rules to Circuits

  • Problem solving strategies for single loop circuits
  • Problem solving strategies for multi-loop circuits
  • Finding the potential across resistors and between any two points in a circuit
  • Understand measuring devices such as ammeters and voltmeters.

6. RC Circuits

  • Learn how to analyze RC circuits in the short and long time limits
  • Charging vs discharging a Capacitor
  • Understand RC time constant
  • Understand energy conservation during charging and discharging a capacitor.

The class is a combination of lectures and tutorial. I've put together a series of example problems, algebraic and conceptual, to help you better understand the material.

The are over 60 fully solved circuit problems in this class.

There are 4 problem set in the course:

1) Multiple Short Questions

2) Circuits with Resistors and EMF's

3) RC Circuits

4) Conceptual Problems

If you watch the lessons, work on the problems, i'm certain you'll become very proficient at analyzing DC circuits.

If at any point during any of my classes you didn't understand something, just message me and i'll make it right. Physics Ninja always has your back.

Happy Learning,

Dr. E.

Physics Ninja and Expert Physics and Math Teacher

Enroll now

Good to know

Know what's good
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Develops a strong foundational understanding of Ohm's law, DC circuits, and circuit analysis techniques
Taught by Physics Ninja, an expert physics and math teacher with a strong reputation
Features a combination of lectures, tutorials, and problem sets to reinforce learning
Covers a wide range of topics relevant to DC circuits, including current motion, resistance, power, and circuit combinations
Provides numerous fully solved circuit problems for practice
Includes hands-on problem sets and conceptual exercises to enhance understanding

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Physics 100: Mastering Ohm's Law and DC Circuits with these activities:
Review Ohm's Law
Review the basic principles of Ohm's Law to strengthen your understanding of the relationship between voltage, current, and resistance.
Browse courses on Ohm's Law
Show steps
  • Read through your notes or textbook chapters on Ohm's Law.
  • Solve practice problems involving Ohm's Law.
  • Create flashcards or a concept map to summarize the key concepts of Ohm's Law.
Read 'DC Circuit Analysis' by Van Valkenburg
Expand your knowledge by delving into a comprehensive textbook on DC circuit analysis, providing a deeper understanding of the subject matter.
Show steps
  • Obtain a copy of 'DC Circuit Analysis' by Van Valkenburg.
  • Set aside dedicated time for reading and studying the book.
  • Take notes, highlight key concepts, and solve practice problems.
  • Discuss the material with classmates or the instructor for further clarification.
Attend a DC Circuits Workshop
Participate in a workshop led by an expert to gain hands-on experience in building and analyzing DC circuits, fostering your practical skills.
Browse courses on DC Circuits
Show steps
  • Find and register for a DC circuits workshop.
  • Attend the workshop and actively participate in the activities.
  • Build and analyze various DC circuits under the guidance of the instructor.
  • Ask questions and engage in discussions with the instructor and other participants.
Five other activities
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Show all eight activities
Simulate DC Circuits
Use circuit simulation software to build and analyze DC circuits, allowing you to visualize and experiment with different circuit configurations.
Browse courses on DC Circuits
Show steps
  • Choose a circuit simulation software, such as LTSpice or CircuitLab.
  • Build a simple DC circuit in the software.
  • Simulate the circuit and observe the voltage, current, and power values.
  • Experiment with different circuit components and configurations.
Discuss Circuit Analysis Techniques
Engage in discussions with peers to exchange knowledge, clarify concepts, and gain different perspectives on circuit analysis techniques.
Browse courses on Circuit Analysis
Show steps
  • Find a study group or online forum for DC circuits.
  • Participate in discussions on circuit analysis methods.
  • Share your own insights and ask questions to deepen your understanding.
  • Collaborate on solving circuit problems together.
Solve Circuit Problems
Engage in regular practice solving circuit problems to enhance your problem-solving skills and deepen your understanding of circuit behavior.
Browse courses on Circuit Analysis
Show steps
  • Find a collection of circuit problems, such as online resources or textbooks.
  • Set aside dedicated time for practicing circuit problem-solving.
  • Start with simpler problems and gradually increase the difficulty.
  • Check your solutions against provided answers or use simulation software for verification.
Explain a Circuit Concept
Create a written explanation, video tutorial, or presentation that thoroughly explains a specific circuit concept, reinforcing your understanding and communication skills.
Browse courses on DC Circuits
Show steps
  • Choose a circuit concept that you want to explain.
  • Research and gather information about the concept.
  • Organize your thoughts and create an outline.
  • Develop your explanation using clear and concise language or visuals.
  • Review and refine your work for clarity and accuracy.
Design a DC Power Supply
Apply your knowledge to design and build a DC power supply, demonstrating your understanding of circuit components and system integration.
Browse courses on Electrical Engineering
Show steps
  • Research different DC power supply designs.
  • Choose a suitable design based on your requirements.
  • Source the necessary components and materials.
  • Assemble and test the DC power supply.
  • Document your design and findings.

Career center

Learners who complete Physics 100: Mastering Ohm's Law and DC Circuits will develop knowledge and skills that may be useful to these careers:
Instrumentation and Control Technician
Instrumentation and Control Technicians install, maintain, and repair instrumentation and control systems. They work on a variety of projects, including process control systems, environmental control systems, and safety systems. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for installing, maintaining, and repairing instrumentation and control systems.
Electrical Maintenance Technician
Electrical Maintenance Technicians maintain and repair electrical systems in industrial and commercial settings. They work on a variety of projects, including power systems, control systems, and lighting systems. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for maintaining and repairing electrical systems.
Electronics Technician
Electronics Technicians install, maintain, and repair electronic equipment. They work on a variety of projects, including computers, telecommunications equipment, and medical equipment. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for installing, maintaining, and repairing electronic equipment.
Industrial Electrician
Industrial Electricians install, maintain, and repair electrical systems in industrial settings. They work on a variety of projects, including power systems, control systems, and lighting systems. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for installing, maintaining, and repairing electrical systems in industrial settings.
Field Service Technician
Field Service Technicians install, maintain, and repair electrical and electronic equipment in the field. They work on a variety of projects, including power systems, control systems, and lighting systems. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for installing, maintaining, and repairing electrical and electronic equipment in the field.
Automotive Electrician
Automotive Electricians install, maintain, and repair electrical systems in automobiles. They work on a variety of projects, including power systems, control systems, and lighting systems. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for installing, maintaining, and repairing electrical systems in automobiles.
Control Systems Engineer
Control Systems Engineers design, build, and maintain control systems. They work on a variety of projects, including industrial control systems, automotive control systems, and aerospace control systems. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for designing, building, and maintaining control systems.
Power Systems Engineer
Power Systems Engineers design, build, and maintain electrical power systems. They work on a variety of projects, including power plants, transmission lines, and distribution systems. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for designing and maintaining power systems.
Electrician
Electricians install, maintain, and repair electrical systems in residential, commercial, and industrial settings. They work on a variety of projects, including power systems, control systems, and lighting systems. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for installing, maintaining, and repairing electrical systems.
Robotics Engineer
Robotics Engineers design, build, and operate robots. They use their knowledge of electrical circuits, mechanics, and computer science to create robots that can perform a variety of tasks. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for designing and operating robots.
Telecommunications Engineer
Telecommunications Engineers design, build, and maintain telecommunications systems. They work on a variety of projects, including telephone networks, data networks, and satellite communications systems. This course would be helpful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for designing and maintaining telecommunications systems.
Electronics Engineer
Electronics Engineers design, build, and test electronic devices, from the smallest components to large systems. This course would be helpful as it would provide a solid foundation in understanding electrical circuits which are used in the development of electronics.
Research Scientist
Research Scientists conduct research in a variety of fields, including physics, chemistry, biology, and engineering. This course may be useful as it would provide a solid foundation in understanding electrical circuits and power systems design which are essential for conducting research in a variety of fields.
Computer Engineer
Computer Engineers design and develop computer systems, including hardware and software. They also develop the operating systems and networks that connect computers. This course may be useful as it provides a foundation in understanding electrical circuits that are essential for designing computer systems.
Electrical Engineer
Electrical Engineers make and use electricity, electromagnetism, and electronics to solve real-world problems. This course, Physics 100: Mastering Ohm's Law and DC Circuits, may be useful as it focuses on the analysis of DC circuits which is fundamental for Electrical Engineers to design electrical systems used in various industries.

Reading list

We've selected 12 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Physics 100: Mastering Ohm's Law and DC Circuits.
Provides a comprehensive overview of DC electrical circuits, covering topics such as Ohm's law, Kirchhoff's laws, and circuit analysis techniques. It valuable resource for students and practitioners alike.
Classic textbook on electric circuits, providing a thorough and rigorous treatment of the subject. It is an excellent resource for students and professionals who need a deep understanding of circuit theory.
Provides a clear and concise introduction to electric circuits, making it a good choice for students who are new to the subject. It covers a wide range of topics, including Ohm's law, Kirchhoff's laws, and circuit analysis techniques.
Provides a comprehensive overview of electrical engineering, including a chapter on DC circuits. It valuable resource for students and practitioners who need a broad understanding of electrical engineering.
Provides a practical approach to DC circuit analysis, covering topics such as Ohm's law, Kirchhoff's laws, and circuit analysis techniques. It valuable resource for students and practitioners who need to understand how DC circuits work in real-world applications.
Provides a comprehensive overview of mathematical methods used in the physical sciences, including calculus, linear algebra, and differential equations. It valuable resource for students who need a strong foundation in mathematics.
Provides a comprehensive and accessible introduction to physics, including a chapter on electricity and magnetism. It valuable resource for students who want to learn more about the fundamental principles of physics.
Provides a clear and concise introduction to the fundamental principles of physics, including a chapter on electricity and magnetism. It valuable resource for students who want to learn more about physics without getting bogged down in the details.
Collection of anecdotes and stories from the life of Richard P. Feynman, one of the most brilliant physicists of the 20th century. It valuable resource for students who want to learn more about the life and work of a great scientist.
Collection of thought-provoking and entertaining essays that explore the answers to hypothetical questions, such as "What would happen if the Earth stopped spinning?" It valuable resource for students who want to learn more about science in a fun and engaging way.
Popular science book that provides a comprehensive overview of the history of science, from the ancient Greeks to the present day. It valuable resource for students who want to learn more about the history of science and its impact on the world.
Classic work of popular science that explores the origins of the universe, the nature of life, and the future of humanity. It valuable resource for students who want to learn more about the universe and our place in it.

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