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If the resistance R1 in a Wheatstone bridge is increased, what effect does it ha
If the resistance R1 in a Wheatstone bridge is increased, what effect does it have on the balance condition?
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Practice Questions
1 question
Q1
If the resistance R1 in a Wheatstone bridge is increased, what effect does it have on the balance condition?
The bridge becomes balanced
The bridge becomes unbalanced
No effect
Depends on other resistances
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Increasing R1 changes the ratio R1/R2, which can lead to the bridge becoming unbalanced if the other resistances remain constant.
Questions & Step-by-step Solutions
1 item
Q
Q: If the resistance R1 in a Wheatstone bridge is increased, what effect does it have on the balance condition?
Solution:
Increasing R1 changes the ratio R1/R2, which can lead to the bridge becoming unbalanced if the other resistances remain constant.
Steps: 6
Show Steps
Step 1: Understand that a Wheatstone bridge has four resistors: R1, R2, R3, and R4.
Step 2: The bridge is balanced when the ratio of R1 to R2 is equal to the ratio of R3 to R4.
Step 3: If you increase the resistance R1, you change the ratio of R1 to R2.
Step 4: If R2 and the other resistances (R3 and R4) stay the same, the new ratio R1/R2 will be different.
Step 5: A different ratio means the balance condition is no longer satisfied.
Step 6: Therefore, increasing R1 can cause the Wheatstone bridge to become unbalanced.
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