pak Wanto menggunakan kulkas 300 waat 24jam,tv 100 waat 10 jam, kipas angin 100 Watt 3 jam, rice cooker 200 Watt 1 jam, mesin cuci 400 Watt 2 jam, lampu 6 20 Wa
Fisika
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Pertanyaan
pak Wanto menggunakan kulkas 300 waat 24jam,tv 100 waat 10 jam, kipas angin 100 Watt 3 jam, rice cooker 200 Watt 1 jam, mesin cuci 400 Watt 2 jam, lampu 6 20 Watt 12 jam.dan semua nya di gunakan selama 30 hari/sebulan ,bila 1 kWh Rp.1000 , berapakah yang harus di bayar pak Wanto?
1 Jawaban
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1. Jawaban ha818
kulkas = 1 × 300 × 24 = 7200 Wh
tv = 1 × 100 × 10 = 1000 Wh
kipas angin = 1 × 100 × 3 = 300 Wh
rice cooker = 1 × 200 × 1 = 200 Wh
mesin cuci = 1 × 400 × 2 = 800 Wh
lampu = 6 × 20 × 12 = 1440 Wh
W 1 hari = 10.940 Wh= 10,94 kWh
Biaya 1 bulan = 30 hari × 10,94 × Rp. 1000
= Rp 328.200