Kemagnetan kelas 9
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Medium
Izzatul Ulya
Used 249+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
berikut ini pernyataan yang benar tentang cara membuat magnet adalah ...
menggosok, induksi, dan elektromagnet
menggosok, induksi, dan induksi elektromagnet
induksi, mengaliri arus AC, dan digosok searah
menggosok searah, induksi, dan elektromagnetik
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
perhatikan gambar disamping!
berdasarkan gambar disamping, maka kutub yang terbentuk pada besi AB adalah ...
A kutub selatan
B kutub utara
A kutub utara dan B kutub selatan
A dan B kutub selatan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pernyataan berikut jika dilakukan tidak dapat memperbesar GGL (Gaya gerak listrik) induksi adalah...
mempercepat gerak magnet
memperbesar ukuran magnet
memperbesar kuat arus listrik
memperbesar hambatan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
alat berikut ini bekerja menggunakan prinsip kerja induksi elektromagnet adalah...
generator, dinamo, akumulator
generator, dinamo, transformator
generator, motor listrik, transformator
adaptor, dinamo, transformator
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pernyataan yang tepat tentang trafo step up adalah...
jumlah lilitan primer lebih kecil dari pada jumlah lilitan sekunder
jumlah lilitan primer sama dengan jumlah lilitan sekunder
jumlah lilitan primer lebih besar dari pada jumlah lilitan sekunder
tegangan primer lebih besar dari pada tegangan sekunder
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
sebuah travo dengan jumlah lilitan primer dan sekunder 500 dan 400 lilitan. jika tegangan primernya 110V, tegangan sekundernya adalah...
375V
275V
196V
88V
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Perbandingan jumlah lilitan primer dan sekunder sebuah trafo 5:4. Jika kuat arus outputnya 3A, maka kuat arus primernya adalah...
2,4 A
3,75 A
15 A
45 A
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