A bulb having capacity 25 W. is used 40 hr. in week. Then how many unit light
is used in that week. (1 kWhr=1 unit)
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Answer:
1 unit light or 1 kWh
Explanation:
kWh = (watts × hrs) ÷ 1,000
kWh = (25 * 40)/1000
kWh = 1000/1000 = 1kWh
1kWh = 1 unit
Therefore, answer = 1 unit light
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