1. a. Using the superposition theorem, determine the current through the 12 ohms resistor.
b. Convert both voltage sources to current sources and recalculate the current to the 12 ohms.
c. How do the results of parts (a) and (b) compare?
2. a. Using the superposition theorem, determine the voltage across the 4.7 ohms resistor of Fig.9.120.
b. Find the power delivered to the 4.7 ohms resistor due solely to the current source.
c. Find the power delivered to the 4.7 ohms resistor due solely to the voltage source.