
pas fisika 9
Quiz
•
Science
•
9th Grade
•
Easy
Pekik Wicaksono
Used 1+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu trafo memiliki jumlah lilitan primer dan sekunder masing - masing 200 dan 50. Jika arus yang masuk ke dalam trafo 5 A dan keluar trafo 12 A, maka nilai efiisiensi trafo adalah ...
60%
70%
80%
90%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah transformator memiliki jumlah lilitan kumparan primer dan sekunder masing - masing 600 dan 200 lilitan. Jika kumparan primer dihubungkan 240 volt. maka tegangan yang dihasilkan pada kumparan sekunder dan jenis transformatornya adalah ...
80 Volt Step-Up
80 Vol Step-Down
60 Volt Step-Up
60 Volt Step-Dowm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ciri dari trafo step-up adalah …
tegangan primer lebih besar daripada tegangan sekunder
lilitan primer lebih banyak daripada lilitan sekunder
tegangan primer lebih kecil daripada tegangan sekunder
lilitan primer sama dengan lilitan sekunder
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kawat sepanjang 5 m dialiri arus 4 mA. Jika kawat diletakkan pada medan magnet 200 T, maka besar gaya lorentz pada kawat adalah....
1 N
2 N
4 N
20 N
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Arah gaya lorentz yang tepat adalah....
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Contoh alat yang menggunakan elektromagnet adalah....
Bel listrik dan pesawat telepon
Kipas listrik dan setrika listrik
Lampu listrik dan kompor listrik
Kompor listrik dan kabel listrik
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perbandingan jumlah liltan primer dan sekunder sebuah trafo 5 :4. Jika kuat arus outputnya 3 A , maka kuat arus primernya adalah...
2,4A
3,75 A
15A
45 A
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