10.1 Introduction
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Chapter 10: Electric circuits
10.1 Introduction (ESCPS)
The study of electrical circuits is essential to understanding the technology that uses electricity in the real-world. In this chapter we will focus on revising content from Grade 11 and extending our understanding of the internal structure of a battery/cell and how this influences what you already know about circuits.
- Units and unit conversions- Physical Sciences, Grade 10, Science skills
- Circuit components- Physical Sciences, Grade 10, Electric circuits
- Ohm's law - Physical Sciences, Grade 11, Electric circuits
- Series and parallel components - Physical Sciences, Grade 11, Electric circuits
- Equations - Mathematics, Grade 10, Equations and inequalities
Series and parallel networks of resistors:
- Understanding of Ohm's Law.
- The meaning of conservation of charge and energy for different types of circuits.
- Calculations done using series and parallel circuits.
- Solve problems involving current, voltage and resistance for circuits.
Batteries and internal resistance:
- State that a real battery has internal resistance.
- Definition of a load.
- Do experiments of finding the internal resistance of a battery.
- Do calculations by using circuits with batteries with internal resistance.
Evaluating internal resistance in circuits:
- Solve circuit problems using batteries with internal resistance with series, parallel and series-parallel circuits.
Extension: Wheatstone Bridge:
- Definition of a Wheatstone Bridge.
- Solve problems concerning the Wheatstone Bridge.
- Units and unit conversions- Physical Sciences, Grade 10, Science skills
- Circuit components- Physical Sciences, Grade 10, Electric circuits
- Ohm's law - Physical Sciences, Grade 11, Electric circuits
- Series and parallel components - Physical Sciences, Grade 11, Electric circuits
- Equations - Mathematics, Grade 10, Equations and inequalities
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10.2 Series and parallel resistor networks (Revision)
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