251. 1/μ0ε0 = c2
252. 1 and 10
253. +1 C
254. 90o
255. volts/meter
256. vector
257. increases
258. 4 N/C
259. vector
260. D/E
261. the force
262. 8 C
263. 5 V
264. scalar
265. 7 V
266. 25 joules
267. Breakdown voltage
268. Glass
269. Mica
270. Porcelain
271. 1 coulomb/volt
272. hardened steel
273. Soft iron
274. The magnetic flux can be changed.
275. earphones
276. motors
277. directly proportional to
278. increases four times
279. inversely proportional to
280. 63000 N
281. 108
282. Tesla
283. 2 Wb/m2
284. vector
285. 5 N/Wb
286. 4Ï€ × 10-2 H/m
287. Permalloy
288. 50 × 10-6
289. increases
290. 500 × 103 N/Wb
291. diamagnetic
292. paramagnetic
293. Air
294. Oxygen
295. paramagnetic
296. ferromagnetic
297. 0.1 Wb/m2
298. magnetic force
299. Fleming’s left hand rule
300. 90o
Post a Comment