Microwave Communication

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