Question

Determine the output voltage Vo of the circuit shown below. Given Vin = 15V V2 = 6V and R = 4412 Treat the nodes labeled Vin and V2 as if they are connected to sources. 2R R 2R Vin 3R + R OV R V20w

Answer 1

2R 2R Vin R 3R ml < V2t Vo "R hom R Vin=15v V2=60 R=uun Opamp-L This is inverting type op-amp y=-2R R x Vin VE-2x15

V=-30V draw opamp. 2 28. 3R wa Vin Va + Vo R ko Va= Vin XR + V2 XR RAR Va Vin + V2 - 1586 2 2 Na= 10.5v by vistual short ckt concept vtv- so v=Va= 10.50 t Apply nodal at v vi-v-v-vo 3R 2R qui - 2V = 3V - 3V 24-sv=-300 2 (-30) – 5(10.5)= ~3% - 60 - 59.5 = - 300

112.5 3 Vo Vo=37.5v