Sains Bab 6 6.4 Pengiraan Kos Penggunaan Elektrik
Flashcard
•
Science
•
10th Grade
•
Hard
NURUL Moe
FREE Resource
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11 questions
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1.
FLASHCARD QUESTION
Front
Berapakah kecekapan tenaga bagi alat tersebut jika 240 Joule dibekalkan?
Back
63%
2.
FLASHCARD QUESTION
Front
Rajah di bawah menunjukkan alat pencahayaan. Antara berikut, yang manakah BENAR mengenai alat tersebut?
Back
Mampu bertahan sehingga 8,000 jam penggunaan
3.
FLASHCARD QUESTION
Front
Apakah informasi di P pada Label Cekap Tenaga oleh Suruhanjaya Tenaga Malaysia?
Back
Penggunaan tenaga setahun
4.
FLASHCARD QUESTION
Front
Tenaga elektrik yang digunakan oleh pendingin hawa selama 3 minit ialah 200 kJ. Hitungkan kuasa pendingin hawa ini dalam kW. (Kuasa, kW = Tenaga, kJ / masa, j)
Back
4000
5.
FLASHCARD QUESTION
Front
Alat elektrik bertanda 150 W dan dibekalkan dengan Voltan sebanyak 240 V. Berapakah nilai arus yang mengalir melaluinya? (P = VI)
Back
0.63 A
6.
FLASHCARD QUESTION
Front
Rajah di bawah menunjukkan maklumat berkenaan bagi mesin basuh. Jika mesin basuh berkenaan digunakan selama 30 minit, berapakah tenaga elektrik yang digunakan oleh mesin basuh tersebut? * (Tenaga elektrik yang digunakan, kWj = Kuasa, kW X masa, j)
Back
0.24 kWj
7.
FLASHCARD QUESTION
Front
Hitungkan kos tenaga yang digunakan oleh peti sejuk yang menggunakan sebanyak 6kWj, jika kadar bagi setiap kWj ialah 42 sen. (Kos penggunaan = Kuasa, kWj X RM.42)
Back
RM 2.52
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