For the given circuit below, you will use nodal analysis at node A to determine

Question

For the given circuit below, you will use nodal analysis at node A to determine an output voltage expression forvo. You MUST use the convention: current into node positive. current out of node negative. V. 2.0 a) What is the voltage at point A? b) Briefly explain why the condition V Vexists. (Hint: two words can describe this) c) On the circuit above, use the passive sign convention to label the voltage polarities across R, and R d) Write the node equation for point A using the current-sign convention given.

Explanation / Answer

a ) VA =2

d) node equation at A

I1 = I2

(Vi-VA) /R1 =(VA-Vo)/R2

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