Question

How much energy in kilowatt hour is consumed in operating ten 50 watt bulbs for 10 hours per day in a month ( 30 days ) ?

Answer 1

Thus so

THE ENERGY CONSUMED IS

➡ FOR OPERATING TEN 50 W BULB
.
. MEANS 500 W

SO
. ➡ 10 HR. - 1 DAY
. X. - 30 DAY
. X =. 300 HR

THUS. ENERGY CONSUMED = POWER * TIME

➡ 0.5 KW * 300 HR
. 5 / 10 * 300
. 150 KW / HR

. Hope it helps

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Answer 2

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Hey user!!
Here's your answer!!


Bulb Capacity      =  50 W
Number of bulbs  =  10

So Total power consumed by ten 50 W bulbs = 10 * 50 = 500 W

So it is Ten hours a day
So energy consumption per day = > Energy = Power * Time
Energy = 500 W * 10 hrs = 5000 Wh  ( 5000 watt hours) 
5000 Wh = 5 kWh

So for 30 days it would be:
5 kWh * 30 Days = 150 kWh

So the energy consumed = 150 kWh 

Hope this helps!!
Cheers!!

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