haseebbhinder33 haseebbhinder33

26-03-2022
Physics

contestada

Q. 1 MWH is equal to ------- joules
a.3.610^10
b.3.610^6
c.3.6*10^9
d.3.6

Respuesta :

emerald2011 emerald2011

26-03-2022

Correct option is B
1 kWh is equal to 3.6 × 10
6

1 Watt-sec is a Joule a watt expended for a second.
Because there’s 3600 seconds in an hour,
then 3600 Ws = 1 Wh = 3600 Joules = 3.6 kJ
so 1000 Wh = 1 kWh = 1000 × 3.6 kJ = 3.6 MJ = 3.6 × 10
6

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