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Signals and Systems - Engineering

Q1:

Which one of the following rules determines the mapping of s-plane to z-plane?

A Right half of the s-plane maps into outside of the unit circle in z-plane

B Left half of the s-plane maps into outside of the unit circle.

C Imaginary axis in s-plane maps in to the circumference of the unit circle.

D All of the above

ANS:D - All of the above

I think option B is wrong, since left half of the s plane is mapped inside unit circle.