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UPPCL AE EE: Signals & Systems Quiz 2

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Question 1

Find the value of y(t) for the following expression,

Question 2

Identify the linear system(s) from the following list:

1) y(t) = x(t2)

2) y(t) = x2(t)

3) y(t) = Ax(t) + B

4) y(t) = ex(t)

Question 3

A signal f(t) is described as:

This represents the unit

Question 4

The value of unit impulse function  for  is:

Question 5

In a LTI system impulse response is . Find the input if the output y(n) = δ(n – 2)

Question 6

The steady state response for the signal cos(2t) of the system with transfer function  will be

Question 7

A continuous time system is described as x(t) = 10[u(t) – u(t – 2)], the area of the function –2x(–5t + 3) is

Question 8

Which of the following is a linear system?

Question 9

Find y(n), if x(n) = u(n) – u(n – 1) & h(n) = δ(n + 2)

Question 10

Which of the following represents a causal, linear and time-invariant system?
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