電力と電力量、熱量計算
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Medium
かおり みやもと
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
１００Vの電圧で、４.５Aの電流が流れる電子レンジの電力は何Wか。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
３０Wの電熱線に、０.２Aの電流が流れたときの電圧は何Vか。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1200Wのドライヤーを100Vで使ったときに流れる電流は何Aか。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
４０Wの扇風機を３０分間使用したときの電力量は何Jか。
72000J
1200J
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
16Wの電熱線に５分間電流を流したときの電力量は何Jか。
800J
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
１Wｈは何 Ｗｓか。
36 Ws
600 Ws
360 Ws
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
４０Ｗの蛍光灯を５時間使用したときの電力量は何 Ｗｈか。
200Wh
7200Wh
72000Wh
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
８００Ｗのトースターを１分間使用したときの電力量は何Ｗｓか。
480000Ws
800Ws
80000Ws
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