Question

1. Transformați 6,5 KWh in jouli

2. Transformați 1080000 joule in Kwh

Dau coroana va rog!

Answer 1

Răspuns:

1J = 1W×1s

1kWh = 1000W×3600s = 3600000 J

1 kWh .................. 3600000 J

6.5 kWh .............................x J

x = 3600000*6.5/1 = 23400000 J

1 kWh .................. 3600000 J

x kWh ...................1080000 J

x = 1*1080000/3600000 = 0.3 kWh