engineering recuitment HPCL Junior Executive 2025 Mock Test Network Theory Two Port Networks Y Parameters
दिए गए दो पोर्ट नेटवर्क के लिए y- पैरामीटर y11 और y12 क्या हैं?
1
\({y_{11}} = \frac{{{s^2} + 1}}{{s\left( {{s^2} + 2} \right)}},{y_{12}} = \frac{1}{{s\left( {{s^2} + 2} \right)}}\)
2
\({y_{11}} = \frac{{{s^2} + 1}}{{s\left( {{s^2} + 2} \right)}},{y_{12}} = \frac{{ - 1}}{{s\left( {{s^2} + 2} \right)}}\)
3
\({y_{11}} = \frac{{{s^2} + 2}}{{s\left( {{s^2} + 1} \right)}},{y_{12}} = \frac{1}{{s\left( {{s^2} + 1} \right)}}\)
4
\({y_{11}} = \frac{{{s^2} + 2}}{{s\left( {{s^2} + 1} \right)}},{y_{12}} = \frac{{ - 1}}{{s\left( {{s^2} + 1} \right)}}\)