CHAPTER 12 PRACTICE TEST

As a study aid, we have included complete solutions for each Practice Test problem at the end of this book.

Add, expressing the result in rectangular form: $(3 - \sqrt{- 4}) + (5 \sqrt{- 9} - 1) .$
Multiply, expressing the result in polar form: $(2 ∠ \underline{130 °}) (3 ∠ \underline{45 °}) .$
Express $2 - 7 j$ in polar form.
Express in terms of j:
1. $- \sqrt{- 64}$
2. $- j^{15} .$
Add graphically: $(4 - 3 j) + (- 1 + 4 j) .$
Simplify, expressing the result in rectangular form: $\frac{2 - 4 j}{5 + 3 j} .$
Express $2.56 (\cos 125.2 ° + j \sin 125.2 °)$ in exponential form.
For an ac circuit in which $R = 3.50 Ω, X_{L} = 6.20 Ω,$ and $X_{C} = 7.35 Ω,$ find the impedance and the phase angle between the current and the voltage.
Express $3.47 - 2.81 j$ in exponential form.
Find the values ...

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Basic Technical Mathematics, 11th Edition by Allyn J. Washington, Richard Evans