6.4 PENGIRAAN KOS TENAGA ELEKTRIK
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
SITI Moe
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kira nilai arus jika kuasa yang digunakan ialah 1700W pada voltan 240V menggunakan formula P=VI
7.08
408000
408
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HITUNG KECEKAPAN TENAGA ELEKTRIK JIKA DIA MENERIMA TENAGA INPUT 100J DAN TENAGA CAHAYA IALAH 70J
7
70
700
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
jika tenaga input diterima 250J dan tenaga cahaya yang terbentuk ialah 100J. Nilai tenaga haba ialah _____________
250
100
150
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
hitung nilai kos elektrik yang digunakan pada mesin basuh berkuasa 2kW yang digunakan selama 1 jam pada 1unit tenaga bernilai 25sen
RM0.5
50sen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
hitung nilai kos tenaga elektrik jika televisyen menggunakan kuasa 750W yang dipasang selama 5 jam dan 1 unit tenaga ialah 25sen
RM9.34
RM0.94
RM0.90
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
berapakah nilai kuasa elektrik yang diperlukan pada arus 30A dan voltan 240V menggunakan formula P=VI
720W
7200W
7200w
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
berapakah nilai fius yang perlu dipasang pada alat elektrik yang mempunyai nilai arus 8.88A
5A
7A
8A
10A
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