
TRNSFOMER
Authored by ZULIA UMV
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apabila lilitan secondary (Ns) lebih banyak daripada lilitan primary (Np), voltan secondary (Vs) akan dinaikkan.
Cari Vs jika Np = 2 , Ns = 8 dan Vp = 15V,
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Apabila lilitan secondary (Ns) lebih banyak daripada lilitan primary (Np), voltan secondary (Vs) akan dinaikkan.
Cari Vs jika Np = 4 , Ns = 8 dan Vp = 15V
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apabila lilitan secondary (Ns) lebih banyak daripada lilitan primary (Np), Arus secondary (Is) akan dinaikkan.
Cari Is jika Np = 4 , Ns = 8, dan Ip = 2A
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sebuah pengubah ( transformer) mempunyai nisbah gelung primer/sekunder 16:1.
Sekiranya voltan masukan yang dikenakan ialah 20V, kira nilai voltan sekunder yang terhasil.
Andaikan pengubah mempunyai kecekapan sebanyak 100%.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah maksud "Transformer Ratio"?
Nisbah voltan kepada arus
Jumlah rintangan dalam transformer
Nisbah kuasa masuk dan kuasa keluar
Nisbah bilangan lilitan gegelung primer kepada sekunder
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Jika transformer mempunyai ratio 10:1, dan voltan input adalah 240V, apakah voltan outputnya?
24V
10V
120V
2.4V
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Transformer step-up berfungsi untuk?
Meningkatkan arus
Mengurangkan voltan
Meningkatkan voltan
Menukar arus kepada voltan
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