Homework Statement
[PLAIN]http://img130.imageshack.us/img130/7782/77019121.jpg
Homework Equations
The Attempt at a Solution
The answer is 2V, is it because that vc is basically the same as Vcc?
Homework Statement
http://img3.imageshack.us/img3/3939/opamp.jpg
Draw an imaginary boundary around the op-amp, and apply KCL at the five wires that intersect the boundary
Homework Equations
The Attempt at a Solution
I am having quite a problem understanding the question...
Homework Statement
http://img696.imageshack.us/img696/7609/circuit.jpg
Homework Equations
The Attempt at a Solution
I know that the answer of the question below is D, but how do I get to that answer?
My guess would be to use current divider to find the current going through...
Homework Statement
http://img694.imageshack.us/img694/9065/deltay.jpg
Homework Equations
The Attempt at a Solution
I am asked to find i1 and i2 using current divider, so is this correct:
i1 = (is * R1+Y1) / (R1+Y1 + R2 + Y2)
i2 = (is * R2+Y2) / (R1+Y1 + R2 + Y2)
Homework Statement
http://img638.imageshack.us/img638/2416/64523221.jpg
Homework Equations
The Attempt at a Solution
My approach at this problem is using the voltage division law:
I first need to find the voltage at the 12 ohm, this can be done by the following using voltage...