an electric bulb is used 20 days at the rate of 5 hours per day. 2.5kwhr electrical energy is consumed. then what wii be the power of electric bulb in watt?
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Answer:
250
Explanation:
The electricity consumed by the bulb per day is 250 watt-hour. Here, P is the power, E is the energy and t is time. Given P = 25 W, t = 10 hour. Thus, the electricity consumed by the bulb per day is 250 watt-hour.
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