Question

A BULB HAS A POWER RATING OF 100W WHAT SHOULD BE THE COST OF ITS OPERATION FOR 10 HOURS, IF A BULB OF 40W COSTS SOME X RUPEES TO OPERATE FOR 5 HOURS




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Answer 1

Answer:power=40w

time=5hrs

no of bulb=1

electricity consume=?

now

ec=ptn

=200kwh

p=100w

no=1

time=10 hrs

ec=1000kwh

total ec=1200 units

total cost=1200x

Explanation:

i hope this will help u

Answer 2

Answer:

time=5hrs

no of bulb=1

electricity consume=?  

now

ec=ptn

=200kwh  

p=100w

no=1

time=10 hrs

ec=1000kwh

total ec=1200 units

total cost=1200x

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