About This Chapter
FTCE Physics: Electricity - Chapter Summary
Use the tutorials in this chapter to expand your understanding of electricity and support your preparation for the FTCE Physics exam. Lessons review topics such as the following to assist you in knowing how to answer associated test questions:
- Explaining electric force, current, charge, and power
- Understanding electric force fields, capacitance, electrical resistance, and electric potential
- Assimilating Coulomb's, Kirchhoff's, Ohm's, and Gauss's laws
- Differentiating between and recognizing the respective qualities of insulators and conductors
- Identifying types and components of electric circuits
In these video lessons, instructors offer succinct and substantive explanations of each concept, frequently followed by illustrations, examples, or sample problems. The accompanying text transcripts and lesson summaries offer quick references if you need to spend extra time on a topic or look something back up as you review.
Objectives of the FTCE Physics: Electricity Course
The physics FTCE tests teaching candidates' readiness to be certified to teach physics in Florida. About 20% of the exam is devoted to the combined topics of electricity and magnetism. Lessons in the Electricity chapter incorporate self-assessment quizzes that let you evaluate your comprehension of the material and see the kinds of questions that will be posed on the FTCE.
All of the FTCE Physics exam's approximately 90 questions are in multiple-choice format. You may be asked to select any of the following: the correct response to a direct question, the answer that most closely fits how you would respond to a proposed scenario or case study, or the best way to finish an incomplete sentence.
1. Electric Charge and Force: Definition, Repulsion & Attraction
Have you ever wondered what electricity is and where it comes from? Have you ever been zapped by static electricity and wondered how it got there? We'll answer all of these questions in this lesson on electric charge and force!
2. Electric Force Fields and the Significance of Arrow Direction & Spacing
Did you know that force fields don't just exist in science fiction movies? In this lesson, we'll explore the electric force fields that surround charged particles and how we can draw diagrams that represent them.
3. Coulomb's Law: Variables Affecting the Force Between Two Charged Particles
In the 18th century, Charles Coulomb uncovered the secrets of electrostatic force between charged particles. The results of his experiments led to what is now known as Coulomb's Law, which tells us how force, charge, and distance are all related.
4. Electric Potential: Charge Collections and Volt Unit
In this lesson, we'll find out that electric charges can be rather lazy until something motivates them to get work done. Find out what gives electric charges the potential to do work and how we measure that potential with something called voltage.
5. Insulators and Conductors: Examples, Definitions & Qualities
In this lesson, we'll explore the reasons that some materials conduct electrical energy with ease while others block it almost completely. We'll also talk about the property of conductivity and some everyday examples of insulators and conductors.
6. Voltage Sources: Energy Conversion and Examples
We use them every day, but no one really gives them much thought. What are we talking about? Why, voltage sources, of course! Batteries and generators are two of the most common sources of voltage that power our daily lives. We'll look at them in detail to see how they work.
7. What is Electric Current? - Definition, Unit & Types
Like a river current is the flow of water molecules, electrical current is the flow of charged particles. In this lesson, we're going to explore what electrical current is, what causes it, and that, unlike a water current, electrical current doesn't always flow in one direction.
8. Electrical Resistance: Definition, Unit & Variables
We'll take a shopping trip to the mall to learn how electrical resistance works and how it is affected by resistivity, conductor dimensions, and temperature. We'll also take a look at several common appliances that take advantage of resistance to function.
9. Ohm's Law: Definition & Relationship Between Voltage, Current & Resistance
Did you know that electrical current is affected by the voltage and resistance in a circuit? In this lesson, we'll use Ohm's law, which tells us how current, voltage, and resistance are related, as we work through several electric circuit examples.
10. Electric Circuit Fundamentals: Components & Types
Electric circuits can be configured to power several loads, such as light bulbs, in series or in parallel. In this lesson, we'll look at both types of circuits and see how the voltage, current, and resistance are affected by installing additional loads.
11. What is Electric Power?
Power is a word we use all the time, but do you really know what it means? We'll look at how electrical power relates to voltage, current and resistance and how knowing that relationship can help you in everyday life.
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