ELEC 226, Spring 2010
Prof. Rich Kozick

Homework 6 Answers

Please be sure to clearly show your work in the solutions that you submit. Your approach is much more important than obtaining the correct numerical answer.

Problem 10.8:  (a) 8 W (b) 2 W (f) pf = 0.6 lagging

Problem 10.16:  56.25 mW, -70.3 mVAR, 90.044 mVA

Problem 10.42:  (b) 720 W

Problem 10.49:  See answers in back of text, but here are a few: (a) 9 W (c) 17.31 W (d) 18.75 W

Problem 10.61:  (b) 720 mW (c) 126 V (rms) (d) 30%