16. In a perfect conductor the incident and reflected wave combine to produce A. A stronger incident wave B. A stronger reflected wave C. A standing wave which is not progressing D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
17. It is best to use for coupling a coaxial line to a parallel wire transmission line. A. Directional Coupler B. Balun C. Slotted line D. Tee Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
18. In H-plane metal plate lens the travelling wave front is A. Totally retarded B. Retarded C. Accelerated D. Neither accelerated nor retarded Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
19. Which of the following is multiband HF receiving antenna? A. Square loop B. Log-periodic C. Conical horn D. Folded dipole Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
20. An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be A. 1.5 B. 2.5 C. 3.5 D. 4.5 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
