The h-parameter matrix of a particular network ‘N’ shown below is:
\(\left[ {\begin{array}{*{20}{c}} {2{\rm{\Omega }}}&4\\ { - 5}&{2}℧ \end{array}} \right]\)
If the power dissipated in the load resistor of 4Ω is 25W, then the magnitude of the supply voltage Vs will be ______ V.
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