19.6. CHAPTER 19 REVIEW PROBLEMS

Evaluate.

  1. i17 i

  2. i25 i

Combine the complex numbers. Leave your answers in rectangular form.

Multiply. Leave your answer in the same form as the given complex numbers.

Divide and leave your answer in the same form as the given complex numbers.

Graph each complex number.

Evaluate each power.

  2. Express as a complex number in polar form: i = 45(ωt + 32°)

  3. Express in sinusoidal form: 400 sin(ωt − 22°)

  4. Write a complex expression for the current i in Fig. 19-21.

    Figure 19.21. FIGURE 19-21

  5. Project: Quadratics with Complex Roots: When we solved quadratic equations, we ...

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