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If the Wheatstone bridge is unbalanced, what can be inferred about the resistanc
If the Wheatstone bridge is unbalanced, what can be inferred about the resistances?
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Practice Questions
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Q1
If the Wheatstone bridge is unbalanced, what can be inferred about the resistances?
R1/R2 = R3/R4
R1/R2 ≠ R3/R4
R1 + R2 = R3 + R4
R1 - R2 = R3 - R4
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An unbalanced Wheatstone bridge indicates that the ratio of the resistances is not equal.
Questions & Step-by-step Solutions
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Q
Q: If the Wheatstone bridge is unbalanced, what can be inferred about the resistances?
Solution:
An unbalanced Wheatstone bridge indicates that the ratio of the resistances is not equal.
Steps: 5
Show Steps
Step 1: Understand what a Wheatstone bridge is. It is a circuit used to measure unknown resistances by balancing two legs of a bridge circuit.
Step 2: Know that the Wheatstone bridge has four resistors arranged in a diamond shape.
Step 3: Recognize that the bridge is considered 'balanced' when the voltage across the middle (between the two legs) is zero.
Step 4: If the bridge is 'unbalanced', it means that the voltage across the middle is not zero.
Step 5: Conclude that an unbalanced bridge indicates that the ratio of the resistances in one leg is not equal to the ratio in the other leg.
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