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TT F5 PHY CHAPTER 4 1.0

Authored by Janice Jia

Physics

5th Grade

Used 1+ times

TT F5 PHY CHAPTER 4 1.0
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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

Media Image

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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