
untitled
Quiz
•
Science, Physics
•
9th - 12th Grade
•
Practice Problem
•
Hard
PKA19_003_Nanda Fauziyah
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada sebuah transformator terdapat kumparan primer yang mempunyai 1200 lilitan dan kumparan sekunder yang mempunyai 1000 lilitan. Jika arus primer 4 A, maka kuat arus sekunder adalah …
4,8 A
1 A
2 A
3,3 A
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebuah trafo memiliki efisiensi 75%. Tegangan inputnya 220 V dan tegangan outputnya 110 V. Jika kuat arus primer yang mengalir 2 A, berapakah kuat arus sekundernya?
2 A
3 A
4 A
5 A
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jenis transformator no 1, 2, 3 dan 4 adalah....
step up, step up, step down, step down
step down, step up, step down, step up
step down, step down, step up, step up
step up, step down, step down, step up
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah transformator ideal dihubungkan dengan sumber tegangan bolak balik, sedangkan kumparan sekundernya dihubungkan dengan lampu seperti gambar dibawah. Lampu akan menjadi semakin terang apabila …
Jumlah lilitan ditambah
Tegangan primer dikurangi
Jumlah lilitan sekunder dikurangi
jumlah lilitan primer dikurangi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Contoh sumber arus bolak balik adalah…
Baterai
Resistor
Elemen Volta
Generator
Aki
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika tegangan maksimum sumber arus bolak-balik = 200 V, maka besar kuat arus maksimum yang mengalir pada rangkaian adalah....
1,5 A
2,0 A
2,5 A
3,0 A
3,5 A
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