Grade

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Physics Senior High

写真の赤線部分についてですが、金属板は、C=(εS/d)のdを大きくする、つまり、電気容量を大きくする役割があるのに、なぜ、写真の赤丸の図のように誘電体を金属板で挟み込んでも、電気容量は変わらないのですか?

coers (ⅡI) 誘電体板の挿入 6~ co CA 下図1の+Q,-Q に帯電した極板間に比誘電率&rの誘電体板を挿入す ると,真空部分の電場Eは変わらないが, 誘電体内の電場はE/Erとなる (図2)。&>1より誘電体を入れることによりその部分の電場を弱くしたこ とになる。 ぶんきょく これは誘電体の表面に電荷が現れ(誘電分極),電気力線の一部を消すため だ。誘電体には自由電子がない。電子は原子 (あるいは分子)内でしか動けな いので、導体のように内部の電場を0にまではできない。 同 図1と2を比べると, Qは同じだが, 図2の方が誘電体部分の電場が弱く 電位差が小さい。 よって図2の方が電気容量が大きい。 誘電体はどこへ入れ ても電位差は同じだから, 入れる位置は電気容量に影響しない。 図3のように誘電体の上面と下面に薄い金属板を入れても電気容量は変わ WHOSEN らないから,図2の電気容量は図4のように3つの部分の直列として求める ことができる。 (0) E **** +Q - q + q -Q + Q. E Er E * * * * * -Q. に +Q 薄い金属板 +q -Q +Q 0000 -Q +Q -Q -9 +q 9 99 +Q Q +Q --Q +Q -Q

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English Senior High

(A)の問題の(1)~(6)までの答えと訂正した回答を教えてほしいです。よろしくお願いします。

【4】 次の設問 (A), (B) に答えよ。 (配点 30> (A) 次の(1)~(6) の各英文には、下線部ア~エのいずれか1つに文法・語法に関して不 適切な あるいは文意を通らなくする箇所が含まれている。 その下線部の記号を記せ。 ア (1) It is estimated that the surface temperature of our planet has been risen by about half a degree Celsius, compared to a hundred years ago, and some scientists believe it's going to get warmer yet in the years to come. (2) In English-speaking cultures, children are often told to say "please" when asking for something. By so doing, they are more likely to be given イ permission than they do not. If they don't, their parents give them a hint, by asking them " What's the magic word?" Trying to forecast weather is incredibly complicated. Some scientists P believe that no matter how advanced science is, weather is impossible to イ predict it accurately, because there are too many random elements involved. (3) Inuits are a related group found in Alaska, and also in Canada and Greenland. They are thought to have spread into North America from Siberia many thousands years ago. In both the US and Britain these people are ウ often called Eskimos but the name Inuit is now preferred and is becoming more widely used. 5) The Cold War is a term for the political conflict between the capitalis countries of the West and the Communist countries of the East that begar 7 after World War II. Both sides had large military forces which were kep イ ready for war, and threatened at each other with nuclear weapons. I

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English Senior High

この英語の問題がわかりません…… 分かりやすい解答とこの問題の問題集を教えてくださると嬉しいです!

DAY2 文法・語法・語彙 ■4】 次の設問 (A), (B) に答えよ。 (配点 30 ) (A) 次の(1)~(6)の各英文には、下線部ア~エのいずれか1つに文法・語法に関して不 適切な あるいは文意を通らなくする箇所が含まれている。その下線部の記号を記 せ。 to consult → consult (1) Electronic dictionaries enable us not only to search words we want to find out the meaning of very quickly but also to consult several dictionaries at the same time. My I- 3 or T (2) I recently moved to a new neighborhood. The reason is why I wanted to p live close to my office. Now I can walk to the office within 20 minutes, which イ近くに住んでる. ウ makes my life easier and less tiring. (3) When you shop for a smartphone, having many options are great, but it might make it difficult to figure out which ones have the features you'll actually use. (4) Because there is so much personal information readily available online, it is far easier now than the past for criminals to steal others' identities. (5) Personally, I am against the idea of sending aging parents to nursing facilities because I have long convinced that home is where they feel happiest. (6) Nowadays people are talking about the possibility of e-sports, a term_referring to organized, competitive computer gaming, will become an Olympic spom in the near future, though some doubt if it deserves to be one. ェー

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