GATE ECE 2006 | Two Port Networks Question 26 | Network Theory

GATE ECE 2006

MCQ (Single Correct Answer)

-0.6

A two-port network is represented by ABCD parameters given by

$$\left[ {\matrix{ {{V_1}} \cr {{I_1}} \cr } } \right] = \,\left[ {\matrix{ A & B \cr C & D \cr } } \right]\,\left[ {\matrix{ {{V_2}} \cr { - \,{I_2}} \cr } } \right]$$

If port-2 is terminated by $${R_L}$$, the input impedance seen at port-1 is given by

$${{A\, + \,B{R_L}} \over {C + \,D{R_L}}}$$

$${{\,A{R_L} + \,C} \over {B{R_L}\, + D}}$$

$${{\,D{R_L} + \,A} \over {\,B{R_L} + C}}$$

$${{\,B + A{R_L}} \over {D + \,C{R_L}}}$$

GATE ECE 2006

MCQ (Single Correct Answer)

-0.67

In the two port network shown in the figure below, z₁₂ and z₂₁ are, respectively GATE ECE 2006 Network Theory - Two Port Networks Question 49 English

$$r_0\;and\;\beta\;r_0$$

$$0\;and\;-\beta\;r_0$$

$$0\;and\;\beta\;r_0$$

$$r_0\;and\;-\beta\;r_0$$

GATE ECE 2005

MCQ (Single Correct Answer)

-0.6

If R₁ = R₂ = R₄ = R and R₃ = 1.1R in the bridge circuit shown in figure, then the reading in the ideal voltmeter connected between a and b is

GATE ECE 2005 Network Theory - Two Port Networks Question 50 English

0.238 V

0.138 V

-0.238 V

1 V

GATE ECE 2005

MCQ (Single Correct Answer)

-0.6

The h parameters of the circuit shown in Fig. are GATE ECE 2005 Network Theory - Two Port Networks Question 29 English

$$\,\left[ {\matrix{ {0.1} & {0.1} \cr { - \,0.1} & {0.3} \cr } } \right]$$

$$\,\left[ {\matrix{ {10} & {-1} \cr { \,1} & {0.05} \cr } } \right]$$

$$\left[ {\matrix{ {30} & {20} \cr {20} & {20} \cr } } \right]$$

$$\left[ {\matrix{ {10} & {1} \cr {-1} & {0.05} \cr } } \right]$$

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