Below are the answers key for the Multiple Choice Questions in Antennas – MCQs 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

### Online Questions and Answers Series

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

**Antennas MCQs**

**MCQs from Number 1 – 50**Answer key:

**PART I**

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

**PART II**

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

**PART III**

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

**PART IV**

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

**PART V**

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

**PART VI**

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

**PART VII**

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

**PART VIII**

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

**PART IX**

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

**PART X**