40 W electric bulb is used for 8 hours every day. how much units electricity does it consume each day ?(1kWhr = 1 unit)
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Answer:
1 kw = 1000 w
40w /1000w
=0.04kw
t= 8 hr.
E= p*t
0.04*8=o.32kwhr.
0.32 unit.
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