学年

質問の種類

英語 中学生

問三が意味分かりません 教えて頂きたいです 答えは400mAでした なぜAだけの電流を答えは求めているのでしょうか? 質問は何も書いていないから全体の電流をもとめるのではないのですか?

2 【理科】 (社会と合わせて60分) <満点:75点> 【注意】 定規 分度器・計算機等の使用はできません。 ・ 1 右図のように、電源装置,電圧計,電流計,抵抗値 が未知の電熱線A, 抵抗値が30Ωの電熱線Bを使って 回路を組み立てた。 電熱線A,Bを,それぞれ同じ質量 の水が入った水そうに入れ、電流を流したところ, 電圧 計は8Vを示した。 グラフは水そうの水の温度上昇と, 電流を流した時間との関係を表している。 ただし, 電 源装置の電圧の大きさは一定で、 電熱線で発生した熱 は、 すべて水そうの水の温度上昇に使われるものとす る。 次の問いに答えなさい。 問1 電熱線Aで発生した熱は, 電熱線Bで発生した 熱の何倍か。 最も近いものを次のア~エから選び、 記号で答えなさい。 ア 0.67倍 イ. 1.2倍 ウ. 1.5倍 問2 電熱線Aの抵抗値は何Ωか。 20 問3 電流計の値は何mAか。 160 問4 電熱線Aで5分間に発生した熱は何Jか。 0.6 3120 3x = 2 エ.2.0倍 2x530 x=003 2 153.6 01650 0.16 solo note t'mko 1300 2124 水の上昇温度 5 水 (°C) nious 水そう on 水そう2 7 tog of 3 電源装置 1 A 50/80 Jo 50% 50 V (①) 目 A 80①3 20 KTYVUO B [00000000 .16 3.2 32 20 0.512) (2bavengnia 3 8 2 次に、電源の電圧の大きさはそのままで, 電熱線Bを抵抗値が80Ωの電熱線Cに変えて同じ実 2 をした。この実験でも、水そうの水は沸とうしなかったものとして、以下の問いに答えなさい。 問5 電流計の値は何mAか。 一水そう2- -水そう 1- 1 2 Alo 電流を流した時間 〔分〕 3 4 5

回答募集中 回答数: 0
英語 高校生

お願いします

1 Today, Taylor Swift is one of the most popular singers in the world, and is also al cover model for fashion magazines. But she was not always so popular. 2 Taylor Swift began singing country music in Pennsylvania when she was eleven. Country music is an older form of music in the USA that is usually enjoyed by 5 adults. Maybe this is why other kids at her school thought she was strange for stopped calling her. singing country music. Over time, these friends 3 One day, she invited many of her friends to go to the shopping center, but all of them said they were busy. So, Taylor went with her mother. When they got there, they saw all the girls shopping together without Taylor. Soon after that, Taylor 10 began eating lunch at school alone. (1): 4 Taylor asked her parents to take her to *Nashville, a city in Tennessee where many country singers and musicians worked. Her parents decided to move there to help her make her dream come true. Taylor's parents were right to believe she could succeed. At age fourteen, she got a contract with RCA Records, a major music 15 company. 5 RCA wanted Taylor to sing other people's songs until she was an adult. Taylor “ did not like this. She wanted to write and sing her own songs about her life and the boys she dated. The record company did not think older country fans would want to hear (3)a teenage girl talk about her life. 6 Taylor left RCA and joined a smaller record company that released her records. Her music became very popular with teenagers as well as older country music fans. Soon, Taylor was considered a major pop star, and young people who did not normally listen to country loved her music too. 5 7 One day she returned to Pennsylvania to do a concert. Girls from her old school came to the concert and were excited to see her. They treated her like a star, and seemed to have forgotten that they had stopped talking to her in junior high school. 20 Taylor realized her life had changed. (4) * Nashville + VIEN

回答募集中 回答数: 0
1/2