Bab 6 Flashcards

1
Q

Nyatakan 2 jenis sumber tenaga

A

i) Sumber tenaga boleh baharu
ii) Sumber tenaga x boleh baharu

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2
Q

Berikan maksud sumber tenaga boleh baharu serta contoh

A

i) Sumber tenaga yg boleh digantikan secara berterusan dan tidak akan habis
ii) Tenaga hidro,ombak,solar,angin

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3
Q

Berikan maksud sumber tenaga x boleh baharu serta contoh

A

i) Sumber tenaga yg x boleh diganti dan akan habis digunakan
ii) arang batu,gas asli,petroleum

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4
Q

Apakah beza arus terus dan arus ulang alik?

A

Arus terus : Arus elektrik yg mengalir dlm satu arah sahaja
arus ulang alik : Arus elektrik yg arah alirannya berubah ubah scr berterusan

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5
Q

Apakah fungsi Osiloskop Sinar Katod?

A
  • menunjukkan perbezaan bentuk graf
  • arah arus
  • perubahan voltan bagi a.t dan a.u
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6
Q

Apakah fungsi transformer?

A

Alat mengubah voltan bagi arus ulang alik

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7
Q

apakah perbezaan transformer injak naik dan turun?

A

i) Injak naik : voltan primer (input) lebih rendah drpd voltan sekunder (output)
ii) injak turun : voltan primer (input) lebih tinggi drpd voltan sekunder (output)

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8
Q

Pendawaian satu fasa sesuai dan stabil untuk penggunaan tenaga elektrik yg x melebihi …

A

10kW atau 50A

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9
Q

Berikan contoh peralatan elektronik yg menggunakan palam 2 dan 3 pin

A

palam 3 pin : cerek elektrik dan seterika
palam 2 pin : berus gigi elektrik, pengering rambut

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10
Q

Apakah fungsi fius?

A

Berfungsi sbg alat keselamatan elektrik dlm litar atau peralatan elektrik ytk melindungi wayar drpd sbrg aliran arus yg berlebihan

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11
Q

Apakah 2 jenis fius?

A

-Fius katrij
-Fius wayar boleh ganti

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12
Q

Apa itu kecekapan tenaga?

A

Peratus tenaga input yg diubah kpd bentuk tenaga output yg berfaedah

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