Below are the answers key for the Multiple Choice Questions in Transmission Fundamentals Part 6.

251. 75 ohms

252. 30 W

253. 4.244

254. A high value of resistance

255. 1.013 uH

256. An impedance mismatch between the line and the load

257. 0.0745

258. The line behaves as a parallel-tuned circuit in relation to the generator

259. 0.69

260. Any convenient value

261. Its input impedance at the generator is equal to the line’s surge impedance

262. At the beginning and at the end of the cable

263. 100 ohms

264. 7.54 milliwatts

265. Transfer maximum power to the load

266. 3

267. Mica

268. Is the product of the surge impedance and the lien current

269. 0.066 m

270. Prevent moisture from entering the line

271. ¼ wavelength

272. Both A and B

273. 6 watts

274. 43.7 m

275. 205 ohms

276. 1:1

277. 193.2 m

278. An impedance mismatch

279. Has a standing wave ratio as near as 1:1 as possible

280. Infinite

281. Length

282. 120 ohms

283. Reflection coefficient

284. 0.10 m

285. 2.5

286. 18 mW

287. Tuned circuits

288. At both the input and output

289. Parallel resonant circuit

290. 136 W

291. 46.9 mW

292. 50

293. Narrow bandwidth

294. Series resonant circuit

295. 1 + 0.25 ohms

296. Standing waves

297. A short-circuited stub at some specific distance from the load

298. 72 – j21 ohms

299. Depends on the dielectric of the material used

300. 32 W

#### Questions and Answers in Transmission Fundamentals Series

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

**MCQ in Transmission Fundamentals**

**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