1. (45 points) In the circuit below use superposition and answer the following. a. (20 points) Briefly, explain how the superposition principle is applied to analyze electric circuits. b. (25 points) Fill the following table: \begin{tabular}{|l|l|r|c|} \hline Variable & Value & Units & Points \\ \hline\( I x^{\prime} \) (when only the 10 V source is ON) & & mA & 8.3 \\ \hline \( \mid x^{\prime \prime} \) (when only the 2 mA source is ON) & & mA & 8.3 \\ \hline Total Ix & & mA & 8.4 \\ \hline \end{tabular}