What is their total resistance when Resistors in Series & Resistors in Parallel

Chapter Resistors in Series

Complete Electronics Self Teaching Guide with Projects
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Complete Electronics Self Teaching Guide with Projects

  • CHAPTER 1 DC REVIEW AND PRETEST10RESISTORS IN SERIES9  You can connect resistors in series. Figure 1.3 shows two resistors in series.10Ω5ΩR1R2FIGURE 1.3QUESTIONWhat is their total resistance? ANSWERRT 5 R1 1 R2 5 10 ohms 1 5 ohms 5 15 ohmsThe total resistance is often called the equivalent series resistance and is denoted as Req.RESISTORS IN PARALLEL10  You can connect resistors in parallel, as shown in Figure 1.4.R1 2ΩR2 2ΩFIGURE 1.4By studying this table, you can see how this code works. For example, if a resistor is marked with orange, blue, brown, and gold bands, its nominal resistance value is 360 ohms with a tolerance of 6 5 percent. If a resistor is marked with red, orange, violet, black, and brown, its nominal resistance value is 237 ohms with a tolerance of 6 1 percent.(continued)Book Authorc01V107/04/2012 2:42 PM c01.indd 107/4/2012 2:44:24 PM