Question

An electric refrigerator rated 600 w operates 5 hour / day what is the cost of the energy to operate it for 20 days at Rs 400 per kw/hr
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Answer 1

Answer:

24000

Explanation:

power consumed by refrigerator =600watt

time operated=5hrs

no.of days=20

so, total power consumed =600*5*20=60000

we need power in KWH =60000/1000=60KWH

now,cost =60*400=Rs24000