The Z-parameters of a two-port network are Z11 = 2 Ω, Z12 = 1 Ω, Z21 = 10 Ω and Z22 = 11 Ω The corresponding values of hybrid parameters are

Given that, 

Z- parameters.

Z₁ = 2;Z₁₂ = 1

Z₂₁ = 10;Z₂₂ = 11

We know that, 

V₁ = Z₁₁ I₁ + Z₁₂ I₂ V₁ = 2I₁ + 1I₂ ....equation 1.

V₂ = Z₂₁ I₁ + Z₂₂ I₂ V₂ = 10I₁ + 11I₂ ....equation 2.

Now, calculating h-parameters.

V₁ = h₁₁ I₁ + h₁₂ V₂ 

I₂ = h₂₁ + h₂₂ V₂ 

h₁₁ =  ; h₁₂ = 

h₂₁ =  ; h₂₂ = 

When V₂ = 0; the equation 2 becomes ; 0 = 10I₁ +11I_2.

I₂ =  ... equation 3.

 h₂₁

substitute equation 3 in equation 1; we get

V₁ = 2I₁ + 1[] h₁₁ = 

When, I₁ = 0; the equation 1 become, V₁ = 1I₂

 Equation 2 becomes, V₂ = 11I_2.

h₁₂ = 

h₂₂ =  

h11 = 

h₁₂ = 

h₂₁ = 

h₂₂ = 

Here, option 1 is correct.