Two conducting wires of the same material and of equal lengths and equal diameter are first connected in series and then parallel in a circuit across the same potential difference. The ratio of heat produced in series and parallel combination would be?
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Answer:
8
Explanation:
in series the heat produced=(i^2*r) because in series resistance is same as given in the questions as same material,length and diameter
in parallel the resistance gets half i.e (r/2)
then heat produced is =( ( (i /2)^2) * r/2)
therefore the ratio is 8
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