1
GATE ECE 1988
Subjective
+8
-0
The circuit shown below is initially in a steady state condition. At $$t = 0$$, the switch '$$S$$' is opened.

(i) Determine the initial voltage $${V_c}\left( {{0^ - }} \right)$$ across the capacitor and initial current $${i_L}\left( {{0^ - }} \right)$$ through the inductor.
(ii) Find the voltage $${v_L}\left( t \right)$$ across the inductor for $$t > 0$$.

GATE ECE 1988 Network Theory - Transient Response Question 7 English
2
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
Two two-port networks are connected in parallel. The combination is to be represented as a single two-port network. The parameters of this network are obtained by addition of the individual
A
z parameters
B
h parameters
C
y parameters
D
ABCD parameters
3
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
The Laplace transform of a function f(t)u(t), where f(t) is periodic with period T, is A(s) times the Laplace transform of its first period. Then
A
A(s) = s
B
A(s) = 1/(1-exp(-Ts))
C
A(s) = 1/(1+exp(-Ts))
D
A(s) = exp (Ts)
4
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
The transfer function of a zero-order hold is
A
$${{1 - \exp ( - Ts)} \over s}$$
B
$$1/s$$
C
1
D
$$1/\left[ {1 - \exp \left( { - Ts} \right)} \right]$$
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