Find the energy consumed in 10 hours by 5 devices of power 250 W each.
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power consumed by one device=250 watt power consumed by four devices=250x5
= 1250 watt
energy=power x time
energy consumed=1250 x 10
=12500 J
one power :when one joule energy is consumed per hour thin this is called one power or one watt.
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Explanation:
Power by one device = 250 W
➝ Power by 5 device = 250 × 5
➝ Power by 5 device = 1250 W
- Time taken = 10 hours
We know that
⋆Energy=Power×Time
⟹Energy=1250×10
⟹Energy=12500J
HOPE this helps ☺️
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