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When 2 resistance r1 and r2 are connected in parallel to a source of eng the ratio of heat produced is

When 2 resistance r1 and r2 are connected in parallel to a source of eng the ratio of heat produced is

Grade:12

1 Answers

sreehari
42 Points
6 years ago
When two resistors are parallel to each other, Voltage accross them are equal.
Heat generated in time t = Power x t
Here,
Power = \frac{V^{2}}{R}
Therefore the heat produced in the resistors will have a ratio of inverse of their resistances.
Hence 
Ratio of heat produced in r1 to r2 is r2:r1

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