1
GATE ECE 2022
Numerical
+1
-0.33

A linear 2-port network is shown in Fig. (a). An ideal DC voltage source of 10 V is connected across Port 1. A variable resistance R is connected across Port 2. As R is varied, the measured voltage and current at Port 2 is shown in Fig. (b) as a V2 versus $$-$$I2 plot. Note that for V2 = 5 V, I2 = 0 mA, and for V2 = 4 V, I2 = $$-$$4 mA. When the variable resistance R at Port 2 is replaced by the load shown in Fig. (c), the current I2 is ________ mA (rounded off to one decimal place).

GATE ECE 2022 Network Theory - Two Port Networks Question 1 English 1

GATE ECE 2022 Network Theory - Two Port Networks Question 1 English 2

GATE ECE 2022 Network Theory - Two Port Networks Question 1 English 3

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2
GATE ECE 2018
Numerical
+1
-0.33
The ABCD matrix for a two-port network is defined by :

$$\left[ {\matrix{ {{V_1}} \cr {{I_1}} \cr } } \right] = \left[ {\matrix{ A & B \cr C & D \cr } } \right]\left[ {\matrix{ {{V_2}} \cr { - {I_2}} \cr } } \right]$$ GATE ECE 2018 Network Theory - Two Port Networks Question 2 English

The parameter B for the given two-port network (in ohms, correct to two decimal places) is _______.
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3
GATE ECE 2016 Set 3
Numerical
+1
-0
The z-parameter matrix for the two-port network shown is $$$\left[ {\matrix{ {2\,j\,\omega } & {j\,\omega } \cr {j\,\omega } & {3\, + \,2\,j\,\omega } \cr } } \right]$$$ Where the entries are in $$\Omega $$. Suppose $$\,{Z_b}\,\left( {j\,\omega } \right) = {R_b} + j\,\omega $$ GATE ECE 2016 Set 3 Network Theory - Two Port Networks Question 29 English Then the value of $${R_b}$$ (in $$\Omega $$) equals _______________________3
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4
GATE ECE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Consider a two-port network with the transmission matrix: T = $$\begin{bmatrix}A&B\\C&D\end{bmatrix}$$. If the network is reciprocal, then
A
T-1 = T
B
T2 = T
C
Determinant (T) = 0
D
Determinant (T) = 1
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