Saint Louis University-Madrid Campus Division of Sciences, Engineering & Nursing T.Gasmi, Ph.D. ECE-2001 Homework 1-2 Problem 1: Determine the current I2 for the following circuit using KCL and current divider rule. Ans: 2A Problem 2: Find the current I1 for the circuit of the following figure. Ans: 30.54mA Problem 3: Determine the magnitude of the currents I1, I2 and I3 for the following circuit. Ans: 8A; 4A; 12A Problem 4: Determine the resistance R1 in the following figure. Ans: 2Ω Problem 5: Determine the unknown voltage Vab for the following circuit. Ans: 20V Problem 6: Determine the unknown voltage Vab and Vcd for the following circuit. Ans: 10V; -20V Problem 7: Determine the unknown voltage and current for each circuit of the following figure: Ans: 12mA; 22V Problem 8: Determine V and I for the circuit of the following figure. Ans: 5V; 0.5A Problem 9: Find the current I4 and the voltage V2 for the circuit of the following figure. Ans: 1.5A; 4V