
PH Magnet Kelas 9
Authored by Umi Nurwijayati
Physics, Science
9th Grade
Used 47+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perbandingan Kuat Arus Primer dan sekunder pada sebuah trafo adalah 5 : 1. Jika jumlah lilitan primer berjumlah 1000 lilitan, maka jumlah lilitan sekundernya adalah ....
200
500
2.000
5.000
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan kegiatan berikut !
1. Jarak antar lilitan lebih rapat
2. Diameter kawat diperbesar
3. Medan magnet diperkuat
4. Gerak magnet dipercepat
Untuk memperbesar GGL induksi dapat dilakukan sesuai kegiatan nomor ….
1 dan 2
1 dan 3
2 dan 3
3 dan 4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Semakin cepat dinamo sepeda berputar, GGL induksi yang dihasilkan semakin ….
besar karena medan magnetnya makin kuat
kecil karena selang waktu perubahan medan magnet semakin lama
kecil karena garis gaya magnet semakin banyak
besar karena perubahan garis gaya magnet makin cepat
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan gambar trafo berikut !
Dari informasi gambar di atas, pernyataan yang benar mengenai gambar 1 dan gambar 2 berturut-turut adalah…..
gambar 1 trafo step up dan gambar 2 trafo step down
gambar 1 trafo step down dan gambar 2 trafo step up
gambar 1 dan 2 merupakan trafo step down
gambar 1 dan 2 merupakan trafo step up
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Besi silinder dibuat magnet dengan cara dialiri arus listrik searah seperti gambar berikut. Sifat magnet dan kutub yang terbentuk pada tabel berikut yang benar adalah .....
X = Utara, Y = Selatan, Sifat magnet = tetap
X = Selatan, Y = Utara, Sifat magnet = Tetap
X = Utara, Y = Selatan, Sifat magnet = sementara
X = Selatan, Y = Utara, Sifat magnet = Sementara
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan elektromagnet dan magnet O-P seperti gambar berikut !
Jika antara N dan O tolak menolak, M – O – N – P berturut-turut adalah kutub magnet….
U – S – U – S
S – U – U – S
U – S – S – U
S – U – S – U
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan gambar elektromagnet di samping !
Bentuk dan arah garis gaya magnet yang benar ditunjukkan oleh gambar nomor ….
1 dan 2
1 dan 4
2 dan 3
2 dan 4
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