b) For the circuit shown in Figure Q2.1, use the Superposition Theorem, to calculate: i) The current flowing through the resistor R1 ii) The power consumed by R1 iii) The voltage dropped by R1 iv) Use Kirchhoff s Current Law (or otherwise) to calculate the current flowing through resistor R2 R1 3kO _V1 5V R2 2kN 11 20mA Figure Q2.1

4. Verify Kirchhoff's junction rule by measuring current flows at the junction a. Write induvial values and sum them up to show conservation of charge. R1 R3 a R4 {I R2 I1 €1 b 13 €3 12 €2 Circuit 4

2.23 Refer to Figure P2.23. Assume vs = 20 V, R₁ = 10 S2, R₂ = 5 2, R₂ = 892, R₁ = 2 S2, R₁ = 4 S2, R6 = 2 S2, R₁ = 1 92, and Rg = 10 52. How many nodes are in the circuit? a. Determine the equivalent resistance seen by the voltage source vs. b. Apply voltage division to find the voltage across R₁ and Rg. VS R₂ ww R₁ Figure P2.23 www R3 Rs R₁3 R6 ww R$2 www R₁

Consider the circuit in the given figure. Assume R1 = 120 S and R2 = 260 N. R R2 40 V Calculate current i in the given figure when the switch is in position 1. The current when the switch is in position 1 is mA.