Electronics and Communication Engineering - Signals and Systems

36.
L [f(t - a)] = F(jω) e-jωa
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
The integral of k δ(t) is
a step function of magnitude k
a step function 'of magnitude 1/k
a ramp of slope k
a ramp of slope 1/k
Answer: Option
Explanation:
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38.
The integral of unit step function is a ramp of slope unity.
True
False
Answer: Option
Explanation:
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39.
Which one of the systems described by the following I/P - O/P relations is time invariant
y(n) = n x(n)
y(n) = x(n) - x(n - 1)
y(n) = x(- n)
y(n) = x(n) cos 2pf0n
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
A wave f(t) has half wave symmetry and time period equal to T. Then
Answer: Option
Explanation:
No answer description is available. Let's discuss.