Problem 1
(a) What is the resistance of ten $275\Omega$ resistors connected in series? (b) In parallel?
From the example: $I = 2.35 \textrm{ A}$, and $I_2 = 1.61 \textrm{ A}$.
The equation is $-3I_2 + 18 - 6I_1 = 0$. $I_1 = 4.75 \textrm{ A}$, $I_2 = -3.50 \textrm{ A}$.