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Olympiad workbookNSEPCurrent Electricity

If a cell of constant emf produces the same amount of heat during the same time in two independent resistors R₁ and R₂ when they are separately connected across the terminals of the cell, one after the other. The internal resistance of the cell is

Options

AR ₁+ R ₂ 2
BR ₁ R ₂ 2
CR ₁^2+ R ₂^2 2
DR ₁ R ₂

Correct answer

D. R ₁ R ₂

Step-by-step solution

No Solution

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