Exercise: Networks Analysis And Synthesis

Questions for: Networks Analysis And Synthesis

The Laplace transform of a function f(t) u(t) is __________ where f(t) is periodic with period T, and y(S) times the L.T. of f(t) for first period. Then
A:
s
B:
C:
eTs
D:
Answer: D
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An RLC series circuit is excited by a step voltage E. The circuit current at t = 0 is
A:
E/R
B:
E/LC
C:
zero
D:
infinity
Answer: C
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In solid dielectrics the rate of deterioration doubles for every 10-12°C rise in temperature.
A:
True
B:
False
C:
D:
Answer: A
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In series as well as parallel resonant circuits, increasing the value of resistance would lead to
A:
decrease in bandwidth of both the circuits
B:
increase in bandwidth of both the circuits
C:
decrease in bandwidth in series circuit and increase in parallel circuit
D:
increase in bandwidth in series circuit and decrease in parallel circuit
Answer: C
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The following table gives some Laplace transforms and the functions
f(t)   F(s)
1.δ(t)   s
2. u(t)   1/s
3. tu(t)   2/s2
4. t2u(t)   2s3
Of these the correctly matched pairs are
A:
2 and 4
B:
1 and 4
C:
2 and 4
D:
1 and 2
Answer: A
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