an electric bulb of 40w Glows for 10 hours a day. what is the amount to be paid in a month of 30 days,if 1 unit of electricity costs Rs 2.50?
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Answered by
4
Power=40w
Time= 10h
units of energy= 40 *10
= 400 kwh = 400 units
Cost for one unit of electricity= Rs 2.50
Cost for 400 units of electricity = 400 * 2.50= Rs 1000
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Time= 10h
units of energy= 40 *10
= 400 kwh = 400 units
Cost for one unit of electricity= Rs 2.50
Cost for 400 units of electricity = 400 * 2.50= Rs 1000
HOPR IT HELPS YOU IF HELPED PLZ FOLLOW ME...
Answered by
0
30*10=300hrs
1 hr =4w
300 hrs =1200w
1w=2.50
1200w=2.50*1200
=3000 rupees.
Hope it helps.
1 hr =4w
300 hrs =1200w
1w=2.50
1200w=2.50*1200
=3000 rupees.
Hope it helps.
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