engineering recuitment BEL Probationary Engineers Mock Test 2025 Electromagnetic Theory Transmission Lines Input Impedance
A quarter-wave transformer is:
1
a conventional transformer used to connect load and line at a distance of λ/4 from input end
2
a two winding conventional transformer having a core length of λ/4.
3
an impedance inverter that transforms a low impedance into high impedance and vice versa.
4
an autotransformer having a core length of λ/4.