About This Chapter
MTEL Physics: Circuits - Chapter Summary
Refresh your knowledge of electric current, insulators, Ohm's law and Kirchhoff's rules with our video lessons and quizzes. We can help you prepare for these types of questions on the MTEL Physics exam:
- Defining insulators and conductors
- Naming types of electric current
- Explaining variables of electrical resistance
- Interpreting Ohm's law
- Defining electric power
- Applying Kirchhoff's rules to problems
- Explaining resistor-capacitor (RC) circuits
Our instructors are experts in the field and make their lessons and narration enjoyable and informative. Their use of real world examples throughout the animated videos clarify the concepts and principles. Quizzes round out the chapter, and you can also complete a practice exam when you feel ready.
MTEL Physics: Circuits Chapter Objectives
Anyone seeking certification to teach physics in a Massachusetts public school must pass the MTEL Physics exam. Topics covered in this chapter on circuits are in the MTEL Physics exam's subarea on electricity and magnetism, which accounts for 15% of the total score.
All the questions in this subarea are multiple-choice. The quizzes at the end of our lessons offer good practice in answering these types of questions. You can also assess your knowledge with the quizzes and use video tags to return to the lesson to review concepts that require more study.
1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
6. Applying Kirchhoff's Rules: Examples & Problems
Ohm's Law can be useful for analyzing simple circuits, but when circuits are more complex, as they often are, we can instead analyze the circuits using Kirchhoff's rules. Learn about Kirchhoff's rules in this lesson.
7. Resistor-Capacitor (RC) Circuits: Definition & Explanation
Resistor-capacitor (RC) circuits are everywhere because they are useful in our everyday lives. The current in these circuits varies with time, making them both practical and common in many types of electronic equipment.
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Other chapters within the MTEL Physics (11): Practice & Study Guide course
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- MTEL Physics: Work & Energy
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- MTEL Physics: Principles of Thermodynamics
- MTEL Physics: Electrostatics
- MTEL Physics: Electromagnetism
- MTEL Physics: Oscillations & Wave Motion
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- MTEL Physics: Electromagnetic Waves
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- MTEL Physics: Atomic Nature of Matter & Relativity
- MTEL Physics: Quantum Theory
- MTEL Physics: Radioactive Decay & Nuclear Reactions
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