an electric heater is rated as 2500 w . how much electricity does it consumes in 5 hours?
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Answered by
1
Answer:
Power=1500W=1500/1000=1.5kW
time=t=10hours.
Energy=Power x t
=1.5 X 10
=15kWh
Hence , the energy consumed by the heater in 10h is 15kwH
do this by the example
Answered by
1
Step-by-step explanation:
Energy consumed / time = Power
Given power = 2500W
2500W = 2500J / 1s
Thus is 1s, 2500 J energy is consumed
In 5 hours (5×60×60)s, energy consumed is
2500×5×60×60J
= 45 × 10^6 J
= 45 MJ
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