
TT F5 PHY CHAPTER 4 1.0
Authored by Janice Jia
Physics
5th Grade
Used 1+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_______ is a resultant magnetic field produced by the interaction between the magnetic field from a current-carrying conductor and the magnetic field from a permanent magnet
_______ ialah medan magnet paduan yang dihasilkan oleh interaksi antara medan magnet daripada konduktor pembawa arus dengan medan magnet daripada magnet kekal
Catapult field
Medan lastik
Resultant force
Daya paduan
Electromagnetism
Keelektromagnetan
Direct current
Arus terus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fleming’s left hand rule is used to determine the direction of _______ on a current-carrying conductor.
Petua tangan kiri Fleming digunakan untuk menentukan arah bagi _______ pada konduktor pembawa arus.
Current
Arus
Magnetic field
Medan magnet
Force
Daya
Magnetic flux
Fluks magnet
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following are ways to increase the magnitude of force acting on a wire?
Yang manakah antara berikut merupakan cara untuk meningkatkan magnitud daya yang bertindak atas wayar?
Increase the cross-sectional area on the conductor
Meningkatkan luas keratan rentas bagi conductor
Increase the current
Meningkatkan arus
Using a stronger magnet
Menggunakan magnet yang lebih kuat
Using a shorter wire
Menggunakan wayar yang pendek
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
“Used to raise or lower down the potential difference of an alternating current.” The following statement refers to
“Digunakan untuk meningkatkan atau menurunkan beza keupayaan bagi arus ulang alik.” Pernyataan berikut merujuk kepada
Transformer
Step-up transformer
Transformer injak naik
Step-down transformer
Transformer injak turun
Eddy currents
Arus pusar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Of the following, which value remains unchanged when a transformer is active?
Antara berikut, nilai apakah yang tidak berubah apabila transformer bekerja?
Voltage
Voltan
Power
Kuasa
Current
Arus
Amount of turns
Bilangan lilitan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During an electrical energy transmission, a power station will step-up the voltage. Why is that the case?
Dalam penghantaran tenaga elektrik, stesen kuasa akan injak naik voltan. Mengapakah mereka buat sedemikian?
To decrease the current so that power loss can be reduced
Merendahkan arus agar rendah kehilangan tenaga
To ensure that power loss is reduced when it travels a far distance
Memastikan kehilangan tenaga dikurangkan apabila ia melalui jarak yang jauh
So that the power gets distributed evenly in a populated area
Supaya tenaga dapat dibahagikan dengan sama rata dalam kawasan yang berhuni
To cause less traffic while the electricity travels through the wire
Untuk mengurangkan kesesakan semasa tenaga elektrik bergerak sepanjang wayar itu
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
State the type of this transformer
Nyatakan jenis transformer ini.
step up transformer
transformer Injak naik
step down transformer
transformer Injak turun
ideal transformer
transformer unggul
non-ideal transformer
transformer bukan unggul
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