Consider the following; for a loss-less transmission line we can write,

1. Z_in = - jz₀ for a shorted line with l = λ/8
2. Z_in = ± j ∞ for a shorted line with l = λ/4
3. Z_in= jz₀ for an open line with l = λ/2
4. Z_in = 0 for a matched line of any length

Select the correct answer using the codes given below codes.