
tramsformer sains t3
Authored by Mohd Rozi Mat Nor
Science
9th Grade

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Apa fungsi utama transformer dalam sistem tenaga elektrik?
Mengubah voltan
Menyimpan tenaga elektrik untuk penggunaan masa depan
Menghasilkan tenaga elektrik dari sumber tenaga alternatif
Mengubah arus elektrik menjadi gelombang
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Apakah yang dimaksudkan dengan nisbah lilitan dalam transformer?
Perbandingan antara daya dan tenaga
Perbandingan antara bilangan lilitan pada kedua-dua sisi
Perbandingan antara suhu dan tekanan
Perbandingan antara arus dan voltan
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Transformer jenis apa yang digunakan untuk meningkatkan voltan?
injak turun
injak pengubah
injak pembalikan
injak naik
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Apakah komponen utama dalam transformer?
Motor dan pemutus litar
Panel solar dan turbin
Bateri dan kapasitor
gegelung dawai bertebat dan teras besi lembut berlamina
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Mengapa transformer tidak berfungsi jika tiada arus pada gegelung primer?
Kerana ia hanya berfungsi dalam keadaan suhu tertentu
Kerana ia tidak mempunyai sambungan ke grid elektrik
Kerana ia memerlukan voltan untuk beroperasi
Kerana ia bergantung kepada arus untuk menghasilkan medan magnet
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