- GATE 2018
54. For a parallel plate transmission line, let v be the speed of propagation and Z be the characteristic impedance. Neglecting fringe effects, a reduction of the spacing between the plates by a factor of two results in
(C) no change in both v and Z
(B) no change in v and halving of Z
(A) halving of v and no change in Z
(D) halving of both v and Z
Answer-(B) no change in v and halving of Z
Discuss the solution.