1
GATE EE 2013
MCQ (Single Correct Answer)
+1
-0.3
Assuming zero initial condition, the response y(t) of the system given below to a unit step input u(t) is GATE EE 2013 Signals and Systems - Linear Time Invariant Systems Question 40 English
A
u(t)
B
tu(t)
C
$$\frac{t^2}2u\left(t\right)$$
D
$$e^{-t}u\left(t\right)$$
2
GATE EE 2013
MCQ (Single Correct Answer)
+1
-0.3
Two systems with impulse responses h1(t) and h2(t) are connected in cascade. Then the overall impulse response of the cascaded system is given by
A
product of h1(t) and h2(t)
B
Sum of h1(t) and h2(t)
C
Convolution of h1(t) and h2(t)
D
subtraction of h2(t) and h1(t)
3
GATE EE 2013
MCQ (Single Correct Answer)
+2
-0.6
The impulse response of a continuous time system is given by h(t) = $$\delta$$(t − 1) + $$\delta$$(t − 3). The value of the step response at t = 2 is
A
0
B
1
C
2
D
3
4
GATE EE 2013
MCQ (Single Correct Answer)
+1
-0.3
A band-limited signal with a maximum frequency of 5 kHz is to be sampled. According to the sampling theorem, the sampling frequency in kHz which is not valid is
A
5
B
12
C
15
D
20
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