Pengiraan Kos Penggunaan Elektrik
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
MASNI Moe
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah di atas menunjukkan satu peralatan elektrik yang digunakan di rumah. Berapakah kecekapan tenaga bagi alat tersebut jika 240 Joule dibekalkan?
60%
63%
38%
90%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah di atas menunjukkan alat pencahayaan. Antara berikut, yang manakah BENAR mengenai alat tersebut?
Tenaga elektrik maksimum yang ditukarkan kepada cahaya adalah 90%
Sesuai digunakan di dalam Bangunan Hijau
Mampu bertahan sehingga 8,000 jam penggunaan
Dikenali dengan lampu LED
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut merupakan Label Cekap Tenaga yang diperkenalkan oleh Suruhanjaya Tenaga Malaysia. Apakah informasi di P?
Perkadaran tenaga
Penggunaan tenaga setahun
Jenis peralatan
Ujian piawai yang digunakan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tenaga elektrik yang digunakan oleh pendingin hawa di atas selama 3 minit ialah 200 kJ. Hitungkan kuasa pendingin hawa ini dalam kW.
1.1
4.0
1,100
4,000
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alat elektrik di atas bertanda 150 W dan dibekalkan dengan Voltan sebanyak 240 V. Berapakah nilai arus yang mengalir melaluinya?
0.63 A
1.6 A
3.6 A
36,000 A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah di atas menunjukkan maklumat berkenaan bagi mesin basuh. Jika mesin basuh berkenaan digunakan selama 30 minit, berapakah tenaga elektrik yang digunakan oleh mesin basuh tersebut?
240 kWj
0.24 kWj
600 kWj
14.4 kWj
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan jawapan di soalan (6) di atas, hitung kos tenaga yang digunakan oleh mesin basuh tersebut jika kadar bagi setiap kWj ialah 42 sen.
60 sen
RM 1.00
Rm 6.00
10 sen
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