Question 91. . The phase angle corresponding to ? in a standing-wave pattern is

Question 92. . The main difference between the operation of transmission lines and waveguide is that

Question 93. . A signal propagated in a waveguide hasa full wave of electric intensity change between the two further walls, and no component of the electric field in the direction of propagation, The mode is

Question 94. . Propagation constant of a line is

Question 95. . The dominant mode of propagation is preferred with rectangular waveguides because (indicate false statement)

Question 96. . For transmission-line load matching over a range of frequencies, it is best to use

Question 97. . Matching stub should be

Question 98. .  On a transmission line with standing waves, the distance between a voltage maximum and adjacent current maximum is

Question 99. . The velocity factor of a transmission line

Question 100. 1. consider the following statements regarding a plane wave propagating through free space : The direction of field 1. `E' is perpendicular to the direction of propagation 2. 'H' is perpendicular to the direction of propagation. 3. `E' is perpendicular to the direction of the field 'H'. Which of these statements are correct?