Problem 6 (15 points). Topic: AC circuits. Determine the average power delivered to networks having the following input voltage and current: v = 150sin(-70°), i = 3sin(-50°). P = ?
Problem 7 (15 points). Phasor. For the system, find the sinusoidal expression for the unknown current i if i = 2010 - sin(90°), i = 610 - sin(-60°).