an electric bulb of 100w is used for 8hr per day. calculate the units of energy consumed in one day by the bulb.
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100*8*1/1000=0.8,,,,,,,,,
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P is in watts, voltage V is in volts and current I is in amperes (DC). Power Formula 2 – Mechanical power equation: Power P = E ⁄ t where power P is in watts,Power P = work / time (W ⁄ t). Energy E is in joules, and time t is in seconds.
You also use the equation E = P × t when: E is the energy transferred in joules, J. P is the power in watts, W. T is the time in seconds
E=P×T
E=100×8=800
i dont know wether this is rigtht or wrong
You also use the equation E = P × t when: E is the energy transferred in joules, J. P is the power in watts, W. T is the time in seconds
E=P×T
E=100×8=800
i dont know wether this is rigtht or wrong
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