Apakah simbol yang betul bagi transformer injak turun?
Ulangkaji Sains Tingkatan 3 Bab 6 Transformer 3 Abqari

Quiz
•
Science
•
9th Grade
•
Medium
hazdif fidzah
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah jenis arus yang dihasilkan oleh transformer?
Kadang kala arus ulang-alik (a.u.) dan ada masanya arus terus (a.t.)
Kedua-dua arus ulang-alik (a.t.) dan arus terus (a.t.)
Arus terus (a.t.)
Arus ulang-alik (a.u.)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah simbol yang betul bagi transformer ini?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk transformer menghasilkan voltan output, sumber input ________.
mestilah arus terus (a.t.)
mestilah arus ulang-alik (a.u.)
sama ada arus ulang-alik (a.u.) atau arus terus (a.t.)
mestilah arus ulang-alik (a.u.) dan juga arus terus (a.t.).
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang disambungkan kepada gegelung primer sebuah transformer?
Perintang
Sumber arus terus
Gegelung sekunder
Sumber arus ulang-alik
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bateri dalam komputer riba Alex dikadarkan pada 10.8 V. Ia dicas dengan menyambungkannya kepada bekalan sesalur 240 V a.u. Apakah jenis transformer yang digunakan dalam pengecas komputer riba?
Transformer injak turun
Transformer positif
Transformer negatif
Transformer injak naik
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Mengapakah transformer tidak boleh beroperasi dengan arus terus?
Arus terus menghasilkan medan magnet yang berubah-ubah.
Arus terus tidak menghasilkan sebarang medan magnet.
Arus terus menghasilkan medan magnet yang mantap.
Arus terus menghasilkan medan magnet yang lemah.
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