Physics Quiz: Topic 3.4 Transformers (Form 5)

Physics Quiz: Topic 3.4 Transformers (Form 5)

12th Grade

10 Qs

quiz-placeholder

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Physics Quiz: Topic 3.4 Transformers (Form 5)

Physics Quiz: Topic 3.4 Transformers (Form 5)

Assessment

Quiz

Physics

12th Grade

Medium

Created by

RASHIDAH Moe

Used 148+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The function of the transformer in the transmission of

electricity is to

Fungsi transformer dalam penghantaran elektrik ialah

untuk

change the voltage magnitude/ mengubah magnitud voltan

increase the power / menambahkan kuasa

increase the resistance / menambahkan rintangan

reduce the time to transmit the electricity/ mengurangkan masa untuk menghantar elektrik

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If a transformer reduces voltage, it is called a....................... transformer.

Sekiranya transformer mengurangkan voltan, ia dipanggil transformer .......................

step left/ injak kiri

step right/ injak kanan

step up/ injak naik

step down/ injak turun

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If a transformer increases voltage, it is called a ......... transformer.

Sekiranya transformer meningkatkan voltan, ia dipanggil transformer .........

step right/ injak kanan

step left/ injak kiri

step up/ injak naik

step down/ injak turun

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The winding of a transformer which is connected to a source of energy is called the ....... winding.

Lilitan gegelung transformer yang disambungkan ke sumber tenaga dipanggil lilitan gegelung ....... .

primary/ primer

secondary/ sekunder

input

output

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Ahmad charged his hand phone using battery charger.
Charger has a transformer as in the diagram.
What is the number of turns of the secondary coil?

Ahmad mengecas telefon bimbitnya menggunakan
sebuah pengecas bateri. Pengecas mengandungi
transformer seperti dalam rajah.
Berapakah bilangan lilitan gegelung sekunder?
TIPS!!!!
 VPVS=NPNS=ISIP\frac{V_P}{V_S}=\frac{N_P}{N_S}=\frac{I_S}{I_P}  

2 160

1 333

450

27

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A transformer has 500 turns on its primary coil and 100
turns on its secondary coil. An a.c voltage of 25 V is
connected across the primary coil.
What is the voltage across the secondary coil?

Sebuah transformer mempunyai 500 lilitan pada
gegelung primer dan 100 lilitan pada gegelung
sekunder. Satu bekalan a.u 25 V disambung merentasi
gegelung primer. Berapakah beza keupayaan
merentasi gegelung sekunder?
TIPS!!!!!!
 VPVS=NPNS=ISIP\frac{V_P}{V_S}=\frac{N_P}{N_S}=\frac{I_S}{I_P}  

5.0 V

12.5 V

50.0 V

175.0 V

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Diagram shows a simple transformer. The bulb does

not light up. Which modification will cause the bulb to light up?

Rajah menunjukkan sebuah transformer ringkas. Mentol tersebut tidak menyala. Pengubahsuaian manakah yang akan menyebabkan mentol menyala?

Replace the 6 V battery with a 9 V battery

Menggantikan bateri 6 V dengan bateri 9 V

Increase the number of turns of the primary coil

Menambahkan bilangan lilitan gegelung primer

Decrease the number of turns of the primary coil

Mengurangkan bilangan lilitan gegelung primer

Replace the 6 V battery with a 6 V a.c power supply

Menggantikan 6 V bateri dengan bekalan kuasa 6 V a.u

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