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प्रश्न
How much electrical energy in joules does a 100 watt lamp consume : in 1 second?
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उत्तर
Power of the lamp, (P) = 100 W
(a) Time, (t) = 1 s
Now, we can calculate the electrical energy consumed as:
Energy consumed = Power × Time
So,
Energy consumed = 100 × 1 J
= 100 J
So, the energy consumed is 100 J.
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