How is the unknown resistance R₄ calculated when the bridge is balanced? - CURRENT ELECTRICITY Quiz | GKFix.in

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Question

How is the unknown resistance R₄ calculated when the bridge is balanced?

A. R₄ = R₁ + R₂ + R₃
B. R₄ = (R₁ × R₃) / R₂
C. R₄ = (R₃ × R₂) / R₁
D. R₄ = R₁ × R₂ × R₃

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