Chapter 3

Measurements of DC and AC Electrical Circuits

3.1 Introduction

This chapter will introduce the student to basic DC (direct current) and AC (alternating current) circuit theory and practice. We will treat AC from the perspective of utility-supplied power at 60 hertz (Hz). All concepts introduced in this chapter will be explained together with a companion measurement technique. In keeping with our COTS (commercial-off-the shelf) philosophy, we will use industry-standard measurement equipment.

Students will learn about measurement precision and accuracy, and how to determine the accuracy of instruments used in this laboratory. The following are the topics covered in this chapter.

3.1.1 DC Electrical Circuits

  • The DC electrical circuit—an ...

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