Question

220 Volt- 250 Watt"is written on an electric bulb .If the rate of electric energy is4.0 rupees per kilowatt hours, what is expense when an electric bulb is connected to 220 Volt- mains for 10 hours per day for 5days
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Answer 1

Answer:

E=PxT

=250x10=2500. (in one day)

12500. ( in 5 days)

total amount =12500x4

= 50000