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प्रश्न
An Electric bulb is marked 100 W, 230 V. What find the energy consumed by the bulb in one hour.
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उत्तर
Energy consumed in Is is 100 J.
∴ Energy consumed in hour = 100 × 60 × 60J = 360000 J.
संबंधित प्रश्न
What is meant by "electric power"?
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(a) 30 J/s
(b) 12 J/s
(c) 0.83 J/s
(d) 3 J/s
Which material is the calorimeter commonly made of? Give one reason for using this material.
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State the reason why, in a three pin plug, the earth pin is longer and thicker than the other two.
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Unit of electric power may also be expressed as:
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