निम्नलिखित में से कौन सा z (प्रतिबाधा) और h (संकर) प्राचलों के बीच रूपांतरण सही है?
1
\( \begin{bmatrix} \rm \frac{h_{11}h_{22}-h_{12}h_{21}}{h_{22}}&\rm \frac{h_{12}}{h_{22}} \\\ \rm \frac{h_{21}}{h_{22}}&\rm \frac{1}{h_{22}} \end{bmatrix}\)
2
\( \begin{bmatrix} \rm \frac{h_{11}h_{22}-h_{12}h_{21}}{h_{22}}&\rm \frac{h_{12}}{h_{22}} \\\ \rm \frac{-h_{21}}{h_{22}}&\rm \frac{1}{h_{22}} \end{bmatrix}\)
3
\( \begin{bmatrix} \rm \frac{h_{11}h_{22}-h_{12}h_{21}}{h_{22}}&\rm \frac{h_{12}}{h_{22}} \\\ \rm \frac{-h_{21}}{h_{22}}&\rm \frac{-1}{h_{22}} \end{bmatrix}\)
4
\( \begin{bmatrix} \rm \frac{h_{11}h_{22}-h_{12}h_{21}}{h_{22}}&\rm \frac{-h_{12}}{h_{22}} \\\ \rm \frac{-h_{21}}{h_{22}}&\rm \frac{1}{h_{22}} \end{bmatrix}\)