Transformer

Presentation

•

Science

•

9th Grade

•

Practice Problem

•

Medium

Hafiz Azam

Used 232+ times

FREE Resource

13 Slides • 6 Questions

Transformer

Apa itu transformer? ^{What is a transformer?}

Alat untuk menurunkan atau meningkatkan voltan arus ulang alik
Device that can increase or decrease the voltage of alternating current

Multiple Choice

Apakah kegunaan transformer?

What is the usage of transformer?

Meningkatkan voltan

Incease voltage

Menurunkan voltan

Decrease voltage

Meningkatkan atau menurunkan voltan

Increase or decrease voltage

Struktur transfomer

Structure of a transformer

Multiple Choice

Arus elektrik masuk dari...

Electric current enter from...

Gegelung primer

Primary coil

Gegelung sekunder

Secondary coil

Jenis transformer

^{Type of transformer}

A = Injak naik / Step up
B = Injak turun / Step down

Injak naik

^Step-up

Meningkatkan voltan / increase voltage
Lilitan di gegelung sekunder > lilitan di gegelung primer
No. of turns in secondary coil > no. of turns in primary coil
Voltan sekunder > voltan primer
Secondary voltage > primary voltage

Injak turun

^Step-down

Menurunkan voltan / decrease voltage
Lilitan di gegelung primer > lilitan di gegelung sekunder
No. of turns in primary coil > no. of turns in secondary coil
Voltan primer > voltan sekunder
Primary voltage > secondary voltage

Multiple Choice

Transformer yang mempunyai lilitan lebih di gegelung sekunder dipanggil:

Transformer with more number of turns on secondary coil is called:

Injak naik

Step-up

Injak turun

Step-down

Multiple Choice

Transformer yang boleh menurunkan voltan dipanggil:

Transformer that decreases the voltage is called:

Injak naik

Step-up

Injak turun

Step-down

Multiple Choice

Sumber tenaga elektrik yang dibekalkan ke rumah kita adalah 240 V. Jika anda ingin mengecas telefon bimbit anda, transformer jenis apa yang diperlukan?

Electrical energy source provided to our home is 240 V. If you want to charge your phone, which transformer will be used?

Tidak perlu transformer

No need transformer

Injak naik

Step-up

Powerbank kan ada

Got powerbank already

Injak turun

Step-down

Pengiraan

Calculation

V_s/V_p = N_s/N_p
V_s= ? = ( N_s/N_p) x V_p
V_p= 240V_,N_p =80_,N_s =20
V_s= 60V

Multiple Choice

Kira N_p

Calculate N_p

480

530

452

503

Terima kasih

Thank you

Transformer

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