Hi, need help determining v1,v2,v3,v4. My answer isnt the same as another student and i need to know who is right.
here is the circuit:
Ok, this is what I get:
v1=27.0248V (node A)
v2=22.0248V (node B)
v3=19.8347V (node D)
v4=15.0000V (node C)
The other person is getting answer close but not exactly the same.
Here is what equations im getting:
Supernode AB: (Vb-Vc)/20+(Va-Vd)/8=1.25 simplifies to 7Vb -5Vd=55
Node D: Vd/40 + (Vd-Vc)/12 + (Vd-Va)/8=0 simplifies to 28Vd - 15Vb = 225
Knowns:
Va-Vb=5
Vc=15
Any help? Thanks in advance.
here is the circuit:
Ok, this is what I get:
v1=27.0248V (node A)
v2=22.0248V (node B)
v3=19.8347V (node D)
v4=15.0000V (node C)
The other person is getting answer close but not exactly the same.
Here is what equations im getting:
Supernode AB: (Vb-Vc)/20+(Va-Vd)/8=1.25 simplifies to 7Vb -5Vd=55
Node D: Vd/40 + (Vd-Vc)/12 + (Vd-Va)/8=0 simplifies to 28Vd - 15Vb = 225
Knowns:
Va-Vb=5
Vc=15
Any help? Thanks in advance.