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Heat flow across a hollow sphere of inner radius 'r₁' and outer radius 'r₂' is directly proportional to?
(r₂ - r₁)/(r₁ - r₂)
(r₂ . r₁)/(r₂ - r₁)
(r₁ + r₂)/(r₁ . r₂)
(r₁ . r₂)/(r₁ + r₂)
LohaHridoy
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2025-01-04 04:42
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AhmedNazir
Answer: Option 2
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2022-09-01 13:21
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