The input impedance of a short circuited lossless transmission line quarter wave long is
(a) Purely reactive
(b) Purely resistive
(c) Infinite
(d) Dependent on the characteristic impedance of the line
Correct option (c) Infinite
Explanation:
For a quarter wave line
zin = z20/zL
zL = 0
zin = z20/0 = ∞
