Homework help What is the expression for the transform admittance for an unfluxe

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What is the expression for the transform admittance for an unfluxed inductance of 4H? 0.25/s 4/s 0.25s 4s What x(n) is described by the z domain function X(z)below? x(z)= l - (r cos(omega 0)) z -1 x(n) = rn sin(omega 0 m) x(n) = r -n cos(omega0 n) x(n) = encos(omega 0 n) x(n) = e-n sin (omega 0 n) Which of the following z domain expressions describes the difference equation shown below? x(n) = sin(omega 0 n) X (z) = (1 - cos(omega 0)) z -1 / 1 - 2(cos(omega 0) z -1 + z -2 X (z) = (r sin(omega 0)) z -1 / 1 - (2r cos(omega 0) z -1 + r2z-2 X (z) = sin(omega 0) z -1 / 1 - 2(cos(omega 0) z -1 + z-2

Explanation / Answer

3. L= 4H.... Transformed admittance = 1/sL = 1/4s = 0.25/s   Option 1 is the answer

4. Answer Option 2... See the Z-transform table

5. Answer Option 4... See the Z-transform table

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