Solve the following circuits with dependent sources by calculating the unknown voltages and currents va, iar Ub, and it. Each is worth 2 marks, the question is worth 8 marks in total. (Note that you probably also need to calculate v and v to obtain the solutions, as these are the control voltages for the dependent sources.) R (a) v1 VA = 6V +1 R R3 VB = 4V Va QUI R I = 5mA R The resistors are defined based on your student number: R = (b) R = V2 V R R and R3 = ww R3 Bv2 The scaling factors for the dependent sources are also defined based on your student number: a = 1.5 mA/V while 3 = R 2b