1
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
If each branch of a Delta circuit has impedance $$\sqrt 3 \,Z$$, then each branch of the equivalent Wye circuit has impedance
A
$${Z \over {\sqrt 3 }}$$
B
3Z
C
$$3\sqrt 3 \,Z$$
D
$${Z \over 3}$$
2
GATE ECE 1999
MCQ (Single Correct Answer)
+1
-0.3
A 2-port network is shown in figure. The parameter $${h_{21}}$$ for this network can be given by GATE ECE 1999 Network Theory - Two Port Networks Question 34 English
A
- 1/2
B
+ 1/2
C
- 3/2
D
+ 3/2
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The short-circuit admittance matrix of a two-port network is $$$\begin{bmatrix}0&-\frac12\\\frac12&0\end{bmatrix}$$$ The two port network is
A
non-reciprocal and passive
B
non-reciprocal and active
C
reciprocal and passive
D
reciprocal and active
4
GATE ECE 1994
Fill in the Blanks
+1
-0
The condition, that a 2-port network is reciprocal, can be expressed in terms of its ABCD parameters as ...............
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