Electrical Engineering > GATE 2015 SET-1 > Z-Transform
Consider a discrete time signal given by
x[n] = (-0.25)nu[n] + (0.5)nu[-n-1].
The region of convergence of its Z-transform would be
A
the region inside the circle of radius 0.5 and centered at origin
B
the region outside the circle of radius 0.25 and centered at origin
C
the annular region between the two circles, both centered at origin and having radii 0.25 and 0.5
D
the entire Z plane.

Correct : c

Similar Questions

If the Z-transform of a finite-duration discrete-time signal x[n] is X(z), then the Z-transform of the signal y[n]=x[2n] is _______.
#120 MCQ
The Z-transform of a discrete signal x[n] is with ROC=R. Which one of the following statements is true?
#165 MCQ
The causal signal with z-transform z2(z-a)-2 is (u[n] is the unit step signal)
#252 MCQ

Related Topics

No tags found

Unique Visitor Count

Total Unique Visitors

Loading......

Question Options

Contributed by: