In a wheatstone bridge (see Figure 18-7) the resistance is varied until no current flows through the Galvanometer (G). Then one knows: A) R₁ - R₂ = R₃ - R₄ B) R₁ R₄ = R₂ R₃ C) R₁ / R₄ = R₃ / R₂ D) R₁ R₂ = R₃ R₄ E) R₁ + R₂ = R₃ + R₄

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The Answer of In a wheatstone bridge (see Figure 18-7) the resistance is varied until no current flows through the Galvanometer (G). Then one knows: A) R₁ - R₂ = R₃ - R₄ B) R₁ R₄ = R₂ R₃ C) R₁ / R₄ = R₃ / R₂ D) R₁ R₂ = R₃ R₄ E) R₁ + R₂ = R₃ + R₄

In a Wheatstone Bridge (See Figure 18-7) the Resistance