Daya dan Arus listrik
Interactive Video
•
Science
•
9th Grade
•
Practice Problem
•
Easy
Yulita Anjani
Used 1+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa definisi daya listrik?
Kemampuan suatu benda untuk melakukan usaha.
Seberapa besar energi listrik yang digunakan atau dihasilkan suatu benda setiap detiknya.
Jumlah muatan listrik yang mengalir melalui suatu titik dalam rangkaian listrik per satuan waktu.
Hambatan yang diberikan oleh suatu bahan terhadap aliran arus listrik.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah dari rumus berikut yang TIDAK benar untuk menghitung daya listrik (P)?
P = W/t
P = V x I
P = I^2 x R
P = V x R
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah lampu memiliki daya 9 watt. Jika lampu tersebut digunakan selama 24 jam, berapa banyak energi yang digunakan oleh lampu tersebut?
216 J
777.6 J
777600 J
7776000 J
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah setrika listrik dengan daya 300 watt digunakan sehingga menghasilkan energi listrik sebesar 270 kJ. Berapa lamakah setrika tersebut digunakan?
15 detik
90 detik
15 menit
900 menit
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah arus yang mengalir pada kompor listrik yang memiliki hambatan 50 ohm dan dicolokkan pada listrik bertegangan 220 volt?
2.2 A
4.4 A
8.8 A
11 A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah daya listrik elemen pemanas kompor tersebut jika tegangan 220 volt dan arus yang mengalir 4.4 A?
484 Watt
968 Watt
1936 Watt
2200 Watt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah energi yang digunakan kompor listrik dengan daya 968 Watt selama 2 jam?
5529.6 kJ
6969.6 kJ
7200.0 kJ
9680.0 kJ
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