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Vivek Kohli
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Asked: 2025-02-21T07:18:37+00:00 In:

When two resistances R₁ and R₂ are connected in series, they consume 12 W power. When they are connected in parallel, they consume 50 W power. What is the ratio of the Power of R₁ and R₂?

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50%(a) 1/4 ( 1 voter )
0%(b) 4
50%(C) 3/2 ( 1 voter )
0%(d) 3
Based On 2 Votes

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Using power formulas for series and parallel combinations, the ratio of power consumed by R₁ and R₂ is 1/4. Correct answer: (a) 1/4.
Class 12th Science Physics NCERT MCQ Questions
NCERT Books MCQ Questions Session 2024-2025.

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    1 Answer

    1. Let P₁ and P₂ be powers across R₁ and R₂. In series, power is divided inversely as resistance. In parallel, power is directly proportional to conductance. Using given conditions and solving equations, the ratio P₁ /P₂ = 4. Answer: (b) 4.

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