Electronics and Communication Engineering - Signals and Systems

36.
Which one is correct option about ROC?
ROC does not contain any pole
ROC of finite duration sequence is entire plane expect z = 0, z = ∞
a and b
only a
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.

Assertion (A): The scalling theroem in Laplace transform relates the scale changes in s domain to the consequent changes in t domain.

Reason (R): If

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
The integral of a unit impulse is unit step function.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
If X(z) = (1 - az-1)-1 and |a| < |z|, the initial value x0 = 0
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.

Assertion (A): The exponential form of Fourierseries is

Reason (R): If f(t) is an even function, the coefficients Fn are real.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.