Pls help me to find answer of 3rd question
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a) house hold wiring is done in parallel combination
b)Energy = power × time
Total enery consumed by bulbs in one day = 4× 40×10 = 1600W/hr
Total energy consumed by fans in one day = 3×80×10 = 2400W/hr
Total energy consumed by both in one day = 1600W+2400W = 4000W/hr
Total energy consumed in 31 days = 31×4000 = 124000watt/hr
124kw/h
cost = 124kw/h × 5 = 620
b)Energy = power × time
Total enery consumed by bulbs in one day = 4× 40×10 = 1600W/hr
Total energy consumed by fans in one day = 3×80×10 = 2400W/hr
Total energy consumed by both in one day = 1600W+2400W = 4000W/hr
Total energy consumed in 31 days = 31×4000 = 124000watt/hr
124kw/h
cost = 124kw/h × 5 = 620
ruchithamedam14:
Thanks
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