CHAPTER Series, Parallel, and Series-Parallel Circuits 5 Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine.

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Presentation transcript:

CHAPTER Series, Parallel, and Series-Parallel Circuits 5 Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman AUTOMOTIVE ELECTRICAL AND ENGINE PERFORMANCE

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.1 A series circuit with three bulbs. All current flows through all resistances (bulbs).

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.2 A series circuit with two bulbs.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.3 As current flows through a circuit, the voltage drops in proportion to the amount of resistance in the circuit.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.4 In a series circuit the voltage is dropped or lowered by each resistance in the circuit. The higher the resistance, the greater the drop in voltage.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.5 A voltmeter reads the differences of voltage between the test leads. The voltage read across a resistance is the voltage drop that occurs when current flows through a resistance.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.6 In this series circuit with a 2-ohm resistor and a 4-ohm resistor, current (2 amperes) is the same throughout even though the voltage drops across each resistor.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.7 Example 1.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.8 Example 2.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.9 Example 3.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.10 Example 4.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.11 The amount of current flowing into junction point A equals the total amount of current flowing out of the junction.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.12 The current in a parallel circuit splits (divides) according to the resistance in each branch.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.13 In a typical parallel circuit, each resistance has power and ground and each leg operates independently of the other legs of the circuit.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.14 A schematic showing two resistors in parallel connected to a 12-volt battery.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.15 A parallel circuit with three resistors connected to a 12-volt battery.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.16 Using an electronic calculator to determine the total resistance of a parallel circuit.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.17 Another example of how to use an electronic calculator to determine the total resistance of a parallel circuit. The answer is ohms.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.18 A parallel circuit containing four 12-ohm resistors. When a circuit has more than one resistor of equal value, the total resistance can be determined by simply dividing the value of the resistance (12 ohms in this example) by the number of equal-value resistors (4 in this example) to get 3 ohms.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.19 Example 1.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.20 Example 2.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.21 Example 3.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.22 Example 4.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.23 A series-parallel circuit.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.24 This complete headlight circuit with all bulbs and switches is a series-parallel circuit.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.25 Solving a series-parallel circuit problem.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.26 Example 1.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.27 Example 2.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.28 Example 3.

Copyright © 2016 by Pearson Education, Inc. All Rights Reserved Automotive Electrical and Engine Performance, 7e James D. Halderman Figure 5.29 Example 4.