Everything Science Grade 11

CHAPTER 19. ELECTRIC CIRCUITS 19.3 1 Rp = � 1 R 1 + 1 R 2 + 1 R 3 � = � 1 10Ω + 1 2Ω + 1 1Ω � = � 1 + 5 + 10 10 � = � 16 10 � ∴ ...

19.3 CHAPTER 19. ELECTRIC CIRCUITS Therefore, R = 2 + 4 = 6 Ω Step 4 : Apply Ohm’s Law V = R· I ∴ I = V R = 12 6 = 2 A Step 5 : ...

CHAPTER 19. ELECTRIC CIRCUITS 19.3 Therefore, 1 R = 1 R 1 + 1 R 2 = 1 2 + 1 4 = 2 + 1 4 = 3 4 T herefore, R = 1,33 Ω Step 4 : Ap ...

19.3 CHAPTER 19. ELECTRIC CIRCUITS Step 2 : Determine how to approach the problem. We can use Ohm’s Lawto find the total resista ...

CHAPTER 19. ELECTRIC CIRCUITS 19.3 DEFINITION: Load The external resistance in the circuit is referred to as the load. Suppose t ...

19.3 CHAPTER 19. ELECTRIC CIRCUITS E = V + Ir 12 = 10 + 4(r) = 0. 5 Step 3 : Write the final answer The internal resistance of t ...

CHAPTER 19. ELECTRIC CIRCUITS 19.4 19.4 Series and parallelnetworks of resistors ESBIN Now that you know howto handle simple ser ...

19.4 CHAPTER 19. ELECTRIC CIRCUITS We can similarly calculate the total resistance of Parallel Circuit 2: 1 Rp 2 = 1 R 5 + 1 R 6 ...

CHAPTER 19. ELECTRIC CIRCUITS 19.5 2. 1 Ω 2 Ω 4 Ω 6 Ω 3. 2 Ω 2 Ω 4 Ω 4 Ω 2 Ω 2 Ω More practice video solutions or help at http:/ ...

19.5 CHAPTER 19. ELECTRIC CIRCUITS the midpoints. In orderto determine the unknown resistance, R 2 is varied until this conditio ...

CHAPTER 19. ELECTRIC CIRCUITS 19.5 In addition to voltage and current, there is another measure of free electron activity in a c ...

19.5 CHAPTER 19. ELECTRIC CIRCUITS Calculate the currentin the following circuit and then use the currentto calculate the volta ...

CHAPTER 19. ELECTRIC CIRCUITS 19.5 What happens Why it happens (a) the bulb is dimmer the AA-type cell has greater internal resi ...

Electronic Properties of Matter 20 20.1 Introduction ESBIP We can study many different features of solids.Just a few of the thin ...

CHAPTER 20. ELECTRONIC PROPERTIES OF MATTER 20.2 � � In some lattice structures the atoms would be closer together. If they arec ...

20.2 CHAPTER 20. ELECTRONIC PROPERTIES OF MATTER In crystalline solids, atoms interact with their neighbours, and the energyleve ...

CHAPTER 20. ELECTRONIC PROPERTIES OF MATTER 20.3 Semi-conductors ESBIT A semi-conductor is very similar to an insulator.The main ...

20.3 CHAPTER 20. ELECTRONIC PROPERTIES OF MATTER DEFINITION: Doping Doping is the deliberate addition of impuritiesto a pure sem ...

CHAPTER 20. ELECTRONIC PROPERTIES OF MATTER 20.3 Si � � � � Si � � � � Si � � � � Si � � � � Si � � � � Si � � � � Si � � � � Si ...

20.4 CHAPTER 20. ELECTRONIC PROPERTIES OF MATTER valence band conduction band intrinsic semiconductor valence band conduction ba ...