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प्रश्न
If the potential difference between the end of a wire of fixed resistance is doubled, by how much does the electric power increase?
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उत्तर
We know that power and potential difference are related to each other as given in the equation P = V2/R.
Now, keeping R the same, if V is doubled, power gets increased by four times.
संबंधित प्रश्न
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