1
GATE ECE 2005
+2
-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

A
0.238 V
B
0.138 V
C
-0.238 V
D
1 V
2
GATE ECE 2005
+2
-0.6
The h parameters of the circuit shown in Fig. are
A
$$\,\left[ {\matrix{ {0.1} & {0.1} \cr { - \,0.1} & {0.3} \cr } } \right]$$
B
$$\,\left[ {\matrix{ {10} & {-1} \cr { \,1} & {0.05} \cr } } \right]$$
C
$$\left[ {\matrix{ {30} & {20} \cr {20} & {20} \cr } } \right]$$
D
$$\left[ {\matrix{ {10} & {1} \cr {-1} & {0.05} \cr } } \right]$$
3
GATE ECE 2004
+2
-0.6
For the lattice circuit shown in Fig., $${Z_a} = j\,2\,\Omega \,\,and\,\,{Z_b} = \,\,2\Omega$$. The values of the open circuit impedance parameters
$$Z\,\left[ {\matrix{ {{Z_{11}}} & {{Z_{12}}} \cr {{Z_{21}}} & {{Z_{22}}} \cr } } \right]\,$$ are
A
$$\,\left[ {\matrix{ {1 - j} & {1 + j} \cr {1 + j} & {1 + j} \cr } } \right]$$
B
$$\,\left[ {\matrix{ {1 - j} & {1 + j} \cr {-1 + j} & {1 - j} \cr } } \right]$$
C
$$\,\left[ {\matrix{ {1 + j} & {1 + j} \cr {1 - j} & {1 - j} \cr } } \right]$$
D
$$\,\left[ {\matrix{ {1 + j} & {1 + j} \cr {-1 + j} & {1 + j} \cr } } \right]$$
4
GATE ECE 2004
+2
-0.6
For the circuit shown in Figure, the initial conditions are zeros. Its transfer function $$H(s) = {{{V_c}\,(s)} \over {{V_i}\,(s)}}$$ is
A
$${1 \over {{s^2}\, + \,{{10}^6}\,s\, + \,{{10}^6}}}$$
B
$${{{{10}^6}} \over {{s^2}\, + \,{{10}^3}\,s\, + \,{{10}^6}}}$$
C
$${{{{10}^3}} \over {{s^2}\, + \,{{10}^3}\,s\, + \,{{10}^6}}}$$
D
$${{{{10}^6}} \over {{s^2}\, + \,{{10}^6}\,s\, + \,{{10}^6}}}$$
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