CHAPTER 1. DIRECT CURRENT CIRCUITS191.5Problems1. Find the current in each resister in the circuit shown below. VA =2V, VB =4V,R1 = 100 Ω,R2 = 500 Ω and R3 = 600 Ω.Hint: writing down the loop-currentequations in terms of the symbols will give you most of the marks.++VAVBR3R2R12. Determine the Thevenin equivalent circuit of the circuit shown below. Hint: determineVth and Rth.BA+10V600ohm600ohm300ohm300ohm3. Consider the following circuit:BARR+++VVV(a) What is the Thevenin equivalent voltage?