Below are the answers key for the Multiple Choice Questions in Antennas Part 4.

151. 50 ohm line

152. Using many director

153. Gain

154. Beamwidth

155. Polarization

156. Marconi

157. Sidelobe

158. a or c

159. 120(pi)

160. 14 dB

161. Efficiency

162. Maximum

163. Driven element

164. Broadside array

165. Backward power

166. Helix antenna

167. Bandwidth

168. Top loading

169. Antenna coupler

170. Antenna array

171. Less than 1

172. Effective height

173. Radiation resistance

174. Long wire antennas

175. Turnstile antennas

176. Super gain

177. 4.59 square meters

178. Quarter-wavelength long

179. 0.016 pW

180. Horizontal polarization

181. Corner reflector

182. Decrease

183. Same

184. Loop antenna

185. Gamma match

186. 4266.67

187. 9.55 m

188. 0.1175 mm2

189. Notch antenna

190. Null** **

191. Lobe

192. Directivity

193. Half-power

194. 6 kW

195. All direction

196. Vee antenna

197. Ohmic resistance

198. d. Yagi-Uda antenna

199. Zepp antenna

200. Ground system

#### Questions and Answers in Antennas Series

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

**MCQ in Antennas**

**MCQ from Number 1 – 50**Answer key:

**PART 1**

**MCQ from Number 51 – 100**Answer key:

**PART 2**

**MCQ from Number 101 – 150**Answer key:

**PART 3**

**MCQ from Number 151 – 200**Answer key:

**PART 4**

**MCQ from Number 201 – 250**Answer key:

**PART 5**

**MCQ from Number 251 – 300**Answer key:

**PART 6**

**MCQ from Number 301 – 350**Answer key:

**PART 7**

**MCQ from Number 351 – 400**Answer key:

**PART 8**

**MCQ from Number 401 – 450**Answer key:

**PART 9**

**MCQ from Number 451 – 500**Answer key:

**PART 10**

### Complete List of MCQ in Communications Engineering per topic

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