# Questions & Answers of Network Graph

The graph associated with an electrical network has 7 branches and 5 nodes. The number of independent KCL equations and the number of independent KVL equations, respectively, are

The three circuit elements shown in the figure are part of an electric circuit. The total power absorbed by the three circuit elements in watts is __________.

In the figure, the value of resistor R is (25 + I/2) ohms, where I is the current in amperes. The current I is ______

$A=\left[\begin{array}{cccccc}1& 1& 1& 0& 0& 0\\ 0& -1& 0& -1& 1& 0\\ -1& 0& 0& 0& -1& -1\\ 0& 0& -1& 1& 0& 1\end{array}\right]$