
4.3 TRANSFORMER
Authored by Azma Azma
Physics
5th Grade
Used 2+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut adalah kaedah bagi mengurangkan kehilangan tenaga dalam suatu transformer, KECUALI
menggunakan dawai kuprum yang lebih nipis
menggunakan teras besi lembut
menggunakan teras besi berlamina
melilit gegelung sekunder di atas gegelun primer
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Arus pusar dalam suatu transformer akan menyebabkan
fluks magnet yang dihasilkan oleh arus primer tidak dipautkan sepenuhnya kepada gegelung sekunder
teras besi yang panas membebaskan tenaga haba ke persekitaran
pemanasan dawai yang menyebabkan tenaga haba dibebaskan ke persekitaran
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nyatakan jenis transformer yang digunakan sebelum penghantaran tenaga elektrik.
Transformer injak naik
Transformer injak turun
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