
TRANSFORMER 2
Authored by Wawa 12
Science
1st - 3rd Grade

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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang dimaksudkan dengan transformer?
Alat yang ubah voltan arus ulang alik
Berfungsi meninggikan voltan output
Berfungsi menurunkan voltan output
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nyatakan jenis transformer berdasarkan gambar tersebut .
Transformer injak naik
Transformer injak turun
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut adalah kenyataan yang betul bagi transformer injak naik kecuali.....
Bilangan lilitan gegelung primer kurang daripada bilangan lilitan pada gegelung sekunder (Np < Ns)
Arus output lebih tinggi dari arus input
Berfungsi untuk merendahkan voltan output
Voltan input lebih rendah daripada voltan output (Vp < Vs)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang manakah kenyataan yang benar mengenai transformer injak turun?
Menurunkan voltan output
Bilangan lilitan gegelung primer kurang daripada gegelung sekunder (Np<Ns)
Arus input lebih tinggi daripada arus output
Meninggikan voltan output
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Vp = 240 V
Np = 2
Ns = 125
Vs ?
Kirakan.
15
5
10
20
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kirakan berapakah voltan output jika sesuatu transformer mempunyai 240 lilitan gegelung primer dan 60 gegelung sekunder. Gegelung primer disambungkan pada voltan input 120 V.
30
480
20
380
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Satu transformer mempunyai bekalan voltan input 12 V dan voltan output 60 V. Berapakah bilangan lilitan gegelung primer jika bilangan gegelung sekunder adalah 10 lilitan?
50
25
2
5
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