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

Question 47

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In a wheatstone bridge (see Figure 18-7) the resistance In a wheatstone bridge (see Figure 18-7) the resistance is varied until no current flows through the Galvanometer (G) . Then one knows: A) R<sub>1</sub> - R<sub>2</sub> = R<sub>3</sub> - R<sub>4</sub> B) R<sub>1</sub> R<sub>4</sub> = R<sub>2</sub> R<sub>3</sub> C) R<sub>1</sub> / R<sub>4</sub> = R<sub>3</sub> / R<sub>2</sub> D) R<sub>1</sub> R<sub>2</sub> = R<sub>3</sub> R<sub>4</sub> E) R<sub>1</sub> + R<sub>2</sub> = R<sub>3</sub> + R<sub>4</sub> is varied until no current flows through the Galvanometer (G) . Then one knows:
In a wheatstone bridge (see Figure 18-7) the resistance is varied until no current flows through the Galvanometer (G) . Then one knows: A) R<sub>1</sub> - R<sub>2</sub> = R<sub>3</sub> - R<sub>4</sub> B) R<sub>1</sub> R<sub>4</sub> = R<sub>2</sub> R<sub>3</sub> C) R<sub>1</sub> / R<sub>4</sub> = R<sub>3</sub> / R<sub>2</sub> D) R<sub>1</sub> R<sub>2</sub> = R<sub>3</sub> R<sub>4</sub> E) R<sub>1</sub> + R<sub>2</sub> = R<sub>3</sub> + R<sub>4</sub>


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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