PSPICE MULTISIM Find the Thévenin equivalent with respect to the terminals a, b for the circuit in Fig. P4.670. Figure P4.67 ЗА 150 Ω 40 Ω 10 Ω a 300 V

If you need, use multisim. If you have a graphic drawing, it is preferred to draw legibly on paper. thanks

Find the Thévenin equivalent with respect to terminals a and b for the circuit attached.

Use the mesh current method to calculate the node voltages v1, v2, and v3 in the circuit. Figure P4.21 ΣΩ + 10 Ω + 5% υξ200 υ 400 €3, 40 {5Ω 11.5 1. 196 V

Please expalin how to solve this using node voltage method, please expalin how you stablish how many nodes this problem has thanks

4.14 For the network of Fig. 4.39: (a) Determine Ic. and VCEo (b) Find Vg, Vc, VẸ, and VBc Vcc - 20 V 4.7 kO RC Rg 10 ul 680 ka 10 uF B- 120 Figure 4.39 Collector feedback with RE = 0 .

4.26 Use source transformation to find voltages V, Vs and V in the circuit shown in Figure P4.26. FIGURE P4.26 11 k 5K2 15k 15 mA 60 kn 7 k 30 k 4 kl ww

4.27 Use the node-voltage method to find v in the circuit in Fig. P4.27. Figure P4.27 2.5 Ω 4.8 A 17.50 14x 100 v Ω Ω το 1Ω 2.5 ΩΣ 12 V +

An attenuator is an interface circuit that reduces the voltage level without changing the output resistance. (a) By specifying R, and R, of the interface circuit in Fig. 4.150, design an attenuator that will meet the following requirements: V. 0.125, Vg Rea = RTh = Rg = 100 N (b) Using the interface designed in part (a), calculate the current through a load of R1 = 50 N when V = 12 V. R, Rp RL Load Attenuator Reg In part (a) determine the values of Rs and RP. ww www

4.59 a) Make a series of source transformations to find the voltage in the circuit in Fig. P4.59. b) Verify your solution using the mesh-current method. Figure P4.59 5kn 38mA 35 V 10 kn, 15 kn 201 30 kn 25 kn 3 1 mA