LISTRIK DINAMIS XII
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Easy
Sari Rahayu
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Pernyataan yang benar tentang arus listrik adalah…
Arus listrik mengalir dari potensial tinggi ke potensial rendah
Arus listrik adalah aliran electron
Arus listrik mengalir dari rendah ke potensial tinggi
Arus listrik mengalir karena beda potensialnya sama
Answer explanation
Arus listrik mengalir dari potensial tinggi ke potensial rendah karena elektron bergerak dari area dengan potensial tinggi ke area dengan potensial rendah.
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Jumlah muatan listrik yang mengalir melalui sebuah penghantar persatuan waktu
Hambatan listrik.
Ampermeter.
Kuat arus listrik
Tegangan listrik
Answer explanation
Kuat arus listrik adalah jumlah muatan listrik yang mengalir melalui sebuah penghantar persatuan waktu.
3.
MULTIPLE CHOICE QUESTION
3 mins • 12 pts
Muatan listrik sebesar 30 coulomb mengalir melalui kawat penghantar selama setengah menit. Kuat arus yang mengalir sebesar…
0,5A
1 A
30A
60A
Answer explanation
Muatan listrik 30 coulomb mengalir selama setengah menit, maka arus = muatan/waktu = 30/30 = 1 A. Jadi, kuat arus yang mengalir adalah 1 A.
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Kumpulan benda berikut termasuk benda yang dapat menghantarkan arus listrik adalah…
Air, besi, karet .
Plastik, air, besi.
Air, besi , tembaga
Plastik, Besi, tembaga
Answer explanation
The correct choice is 'Air, besi , tembaga' because these materials are able to conduct electricity.
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika salah satu lampu dalam suta rangkaian putus atau padam, seluruh lampu dalam rangkaian tersebut ikut padam. Hal ini berarti lampu-lampu tersebut dirangkai secara…
seri dan paralel
campuran
paralel
seri
Answer explanation
Lampu-lampu tersebut dirangkai secara seri, sehingga jika salah satu lampu putus atau padam, seluruh lampu dalam rangkaian ikut padam.
6.
MULTIPLE CHOICE QUESTION
3 mins • 11 pts
Sebuah mikrofon 4 ohm dipasang pada tegangan 12 volt. Arus yang mengalir pada mikrofon adalah…
1/3 A
1/2 A
3 A
48 A
Answer explanation
The correct answer is 3 A because according to Ohm's Law (V = I * R), the current (I) flowing through the microphone is equal to the voltage (V) divided by the resistance (R), which is 12 V / 4 ohm = 3 A.
7.
MULTIPLE CHOICE QUESTION
3 mins • 11 pts
Perhatikan gambar rangkaian berikut!Kuat arus total pada rangkaian tersebut adalah...
3/5 A
1 A
5/3 A
3A
Answer explanation
The correct answer is 1 A because the total current in a series circuit remains constant, so it is equal to the current provided by the source, which is 1 A in this case.
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