Electronic Devices and Circuits Questions and Answers – Two Port Network

This set of Electronic Devices and Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Two Port Network”.

1. [T] = ?

a) \(\begin{bmatrix}
0.35 & -1\\
2 & -3.33
\end{bmatrix}\)
b) \(\begin{bmatrix}
0.35 & -1\\
-2 & -3.33
\end{bmatrix}\)
c) \(\begin{bmatrix}
2 & 3.33\\
0.35 & 1
\end{bmatrix}\)
d) \(\begin{bmatrix}
0.35 & 1\\
2 & 3.33
\end{bmatrix}\)
View Answer

Answer: d
Explanation:

2. [h] = ?

a) \(\begin{bmatrix}
4 & \frac{3}{2}\\
-2 & \frac{1}{2}
\end{bmatrix}\)
b) \(\begin{bmatrix}
-2 & \frac{1}{2}\\
4 & \frac{3}{2}
\end{bmatrix}\)
c) \(\begin{bmatrix}
4 & -\frac{3}{2}\\
2 & \frac{1}{2}
\end{bmatrix}\)
d) \(\begin{bmatrix}
2 & \frac{1}{2}\\
4 & -\frac{3}{2}
\end{bmatrix}\)
View Answer

3. [y] = ?

a) \(\begin{bmatrix}
Y_a + Y_{ab} & -Y_{ab}\\
-Y_{ab} & Y_b + Y_{ab}
\end{bmatrix}\)
b) \(\begin{bmatrix}
Y_a – Y_{ab} & Y_{ab}\\
Y_{ab} & Y_b – Y_{ab}
\end{bmatrix}\)
c) \(\begin{bmatrix}
Y_{ab} – Y_a & Y_{ab}\\
Y_{ab} & Y_{ab} -Y_a
\end{bmatrix}\)
d) \(\begin{bmatrix}
Y_a – Y_{ab} & -Y_{ab}\\
-Y_{ab} & Y_b – Y_{ab}
\end{bmatrix}\)
View Answer

4.The [y] parameter of a two port network is given by

a) \(\begin{bmatrix}
6 & 4\\
2 & 3
\end{bmatrix}\)S
b) \(\begin{bmatrix}
6 & 2\\
0 & 3
\end{bmatrix}\)S
c) \(\begin{bmatrix}
5 & 4\\
2 & 2
\end{bmatrix}\)S
d) \(\begin{bmatrix}
4 & 4\\
2 & 1
\end{bmatrix}\)S
View Answer

5. The [y] parameter for a 2-port network and the network itself are given below.

The value of Vo/vs is _______
a) 3/32
b) 1/16
c) 2/33
d) 1/17
View Answer

Answer: a
Explanation:

6. [y] = ?

a) \(\begin{bmatrix}
\frac{19}{10} & \frac{-9}{10}\\
-\frac{9}{10} & \frac{31}{10}
\end{bmatrix}\)
b) \(\begin{bmatrix}
\frac{19}{10} & \frac{-7}{10}\\
-\frac{7}{10} & \frac{31}{10}
\end{bmatrix}\)
c) \(\begin{bmatrix}
\frac{19}{10} & \frac{9}{10}\\
\frac{9}{10} & \frac{31}{10}
\end{bmatrix}\)
d) \(\begin{bmatrix}
\frac{19}{10} & \frac{7}{10}\\
\frac{7}{10} & \frac{31}{10}
\end{bmatrix}\)
View Answer

Answer: b
Explanation:

7. A 2-port resistive network satisfy the condition A = D = 3/2B = 4/3C. The z11 of the network is
a) 4/3
b) 3/4
c) 2/3
d) 3/2
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8. A 2-port network is driven by a source Vs = 100 V in series with 5 ohm, and terminated in a 25 ohm resistor. The impedance parameters are

The Thevenin equivalent circuit presented to the 25 ohm resistor is
a) 80 V, 2.8 ohm
b) 160 V, 6.8 ohm
c) 100 V, 2.4 ohm
d) 120 V, 6.4 ohm
View Answer

9. Find V1 and V2.

a) -68.6 V, 114.3 V
b) 68.6 V, -114.3 V
c) 114.3 V, -68.6 V
d) -114.3 V, 68.6 V
View Answer

Sanfoundry Global Education & Learning Series – Electronic Devices and Circuits.

To practice all areas of Electronic Devices and Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers.