Figure 2.1 The circuit symbols for (a) an ideal independent voltage source and (b) an ideal independent current
source.
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Figure 2.2 The circuit symbols for (a) an ideal dependent voltage-controlled voltage source, (b) an ideal dependent
current-controlled voltage source, (c) an ideal dependent voltage-controlled current source, and (d) an ideal dependent
current-controlled current source.
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Figure 2.3 The circuits for Example 2.1.
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Figure 2.4 The circuits for Example 2.2.
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Figure 2.5 The circuit symbol for a resistor having a resistance R.
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Figure 2.6 Two possible reference choices for the current and voltage at the terminals of a resistor, and the resulting
equations.
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Figure 2.7 The circuit symbol for an 8 Ω resistor.
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Figure 2.8 The circuits for Example 2.3.
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Figure 2.9 A flashlight can be viewed as an electrical system.
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Figure 2.10 Circuit symbols. (a) Short circuit. (b) Open circuit. (c) Switch.
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Figure 2.11 The arrangement of flashlight components.
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Figure 2.12 A circuit model for a flashlight.
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Figure 2.13 The (a) device and (b) data for Example 2.5.
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Figure 2.14 (a) The values of υt versus it for the device in Fig. 2.13. (b) The circuit model for the device in Fig. 2.13.
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Figure 2.15 Circuit model of the flashlight with assigned voltage and current variables.
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Figure 2.16 The circuit for Example 2.6.
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Figure 2.17 The circuit for Example 2.7.
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Figure 2.18 The circuit for Example 2.8.
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Figure 2.19 The circuit shown in Fig. 2.18, with the unknowns i1, υo, and υ1 defined.
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Figure 2.20 (a) Device and (b) data for Example 2.9.
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Figure 2.21 (a) The graph of υt versus it for the device in Fig. 2.20(a). (b) The resulting circuit model for the device in
Fig. 2.20(a), connected to a 10 Ω resistor.
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Figure 2.22 A circuit with a dependent source.
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Figure 2.23 The circuit for Example 2.10.
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Figure 2.24 The circuit for Example 2.11.
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Figure 2.25 (a) A human body with a voltage difference between one arm and one leg. (b) A simplified model of the
human body with a voltage difference between one arm and one leg.
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Figure P2.1
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Figure P2.2
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Figure P2.3
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Figure P2.4
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Figure P2.5
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Figure P2.6
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Figure P2.7
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Figure P2.8
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Figure P2.9
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Figure P2.10
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Figure P2.11
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Figure P2.12
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Figure P2.13
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Figure P2.14
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Figure P2.15
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Figure P2.16
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Figure P2.17
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Figure P2.18
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Figure P2.19
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Figure P2.20
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Figure P2.21
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Figure P2.22
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Figure P2.23
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Figure P2.24
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Figure P2.25
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Figure P2.26
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Figure P2.27
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Figure P2.28
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Figure P2.29
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Figure P2.30
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Figure P2.32
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Figure P2.33
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