1. The velocity factor of a transmission line depends on
temperature
skin effect
relative permittivity of dielectric
none of the above
2.A loss less line of characteristic impedance Z0 is terminated in pure reactance of -jZ0 value. VSWR is
10
2
1
infinity
3.In a klystron amplifier the input cavity is called
buncher
catcher
Pierce gun
collector
4.In a circular waveguide the dominant mode is
TE01
TE11
TE20
TE21
5. The reflection coefficient on a line is 0.2 ∠45°. The SWR is
0.8
1.1
1.2
1.5