MCQ in Radiation and Wave Propagation Part 4 – Answers

Below are the answers key for the Multiple Choice Questions in Radiation and Wave Propagation Part 4.

151. Tropospheric ducting

152. It is more pronounced at wide bandwidths

153. By approximately 15% of the distance

154. -6

155. Propagation between two points at approximately the same distance north and south of the magnetic equator

156. Both a and b above

157. 30 miles

158. 2.12 mV/m

159. E layer

160. Kinetic energy is given up by the radio wave

161. 243 ohms

162. About 5000 miles

163. 190 mV/m

164. 1.4

165. A fading caused by phase difference between radio wave components of the same transmission as experienced at the receiving station

166. Approximately 500 miles

167. Radio waves may be bent

168. 80 kW

169. Phase differences between the radio waves components of the same transmission as experienced in the receiving station

170. 5775 kHz

171. Selective fading

172. Afternoon or early evening

173. 21.5 GW/ sq. m

174. Allows normally line-of-sight signals to bend around sharp edges, mountain ridges, building and other obstruction

175. 1.59 W/sq m

176. Knife-edge diffraction

177. 7 degrees

178. 2.6 dB

179. A fixed point in an electromagnetic wave

180. The electric field rotates

181. 7.5 ms

182. Horizontal

183. Approximately 300 million meters per second

184. 51.355 MHz

185. A wave consisting of an electric field and a magnetic field at right angles to each other

186. Vertical

187. 0.936

188. The electric field is parallel to the earth

189. Because of eddy currents

190. 680 nW

191. 25.5 MHz

192. Vertical

193. 0.509

194. Horizontal

195. Very high and ultra high frequencies

196. Refracted

197. Increase antenna height

198. Repeater

199. 25.7 km

200. Direct wave

Questions and Answers in Radiation and Wave Propagation Series

Following is the list of multiple choice questions in this brand new series:

Complete List of MCQ in Communications Engineering per topic

Related Content

MCQ in Communications Engineering Series | ECE Board Exam

DaysHoursMinSecThis offer has expired! SubscribePREMIUM PROMO: Remove Ads!! Get Freebies!!! and Get EXTRA MONTHS before Time EXPIRED! In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including past Board Questions in Communications Engineering field (Electronics Systems and Technologies). In the actual board, you have to answer 100 items in Electronic Systems and Technologies within 5 hours. You have to get at least 70% to pass the subject. Electronic Systems and Technologies is 30% of the total 100% Board Rating along with Mathematics (20%), General

MCQ in Professional Education Practice Drills Part 7 | Licensure Exam for Teachers

DaysHoursMinSecThis offer has expired! SubscribePREMIUM PROMO: Remove Ads!! Get Freebies!!! and Get EXTRA MONTHS before Time EXPIRED! This is the ProfEd Practice Drills, Multiple Choice Questions in Professional Education part 7 as one coverage of Licensure Examinations for Teachers (LET). The exam is divided into two classifications. First is the elementary level exam which covers topics from General Education (GenEd) 40% and Professional Education (ProfEd) 60%. Secondly is the secondary level which covers GenEd 20%, ProfEd 40%, and area of specialization 40%. I assume you are looking for a reviewer that will help you achieve your goal to become a

MCQ in Professional Education Part 19 | Licensure Exam for Teachers Review

DaysHoursMinSecThis offer has expired! SubscribePREMIUM PROMO: Remove Ads!! Get Freebies!!! and Get EXTRA MONTHS before Time EXPIRED! This is the LET ProfEd Reviewer, Multiple Choice Questions in Professional Education part 19, as one Licensure Examinations for Teachers (LET) coverage. The exam is divided into two classifications. First is the elementary level exam, which covers topics from General Education (GenEd) 40% and Professional Education (ProfEd) 60%. Secondly is the secondary level, which covers GenEd 20%, ProfEd 40% and area of specialization 40%. I assume you are looking for a reviewer that will help you achieve your goal of becoming a professional

MCQ in Professional Education Part 9 | Licensure Exam for Teachers

DaysHoursMinSecThis offer has expired! SubscribePREMIUM PROMO: Remove Ads!! Get Freebies!!! and Get EXTRA MONTHS before Time EXPIRED! These is the Multiple Choice Questions in Professional Education Part 9 as one coverage of Licensure Examinations for Teachers (LET). The exam is divided into two classifications. First is the elementary level exam which covers topics from General Education (GenEd) 40% and Professional Education (ProfEd) 60%. Secondly is the secondary level which covers GenEd 20%, ProfEd 40%, and area of specialization 40%. I assume you are looking for a reviewer that will help you achieve your goal to become a professional License teacher