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In a practical Wheatstone bridge, what is the effect of temperature on the resis
In a practical Wheatstone bridge, what is the effect of temperature on the resistors?
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Practice Questions
1 question
Q1
In a practical Wheatstone bridge, what is the effect of temperature on the resistors?
It has no effect
It can change resistance values
It only affects the galvanometer
It only affects the power supply
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Temperature changes can affect the resistance values of the resistors, thus affecting the balance condition.
Questions & Step-by-step Solutions
1 item
Q
Q: In a practical Wheatstone bridge, what is the effect of temperature on the resistors?
Solution:
Temperature changes can affect the resistance values of the resistors, thus affecting the balance condition.
Steps: 6
Show Steps
Step 1: Understand that a Wheatstone bridge is a circuit used to measure resistance.
Step 2: Know that resistors are components that resist the flow of electric current.
Step 3: Recognize that the resistance of a resistor can change with temperature.
Step 4: Realize that if the temperature increases, the resistance of some materials may increase or decrease depending on the type of material.
Step 5: Understand that if the resistance values change, the balance of the Wheatstone bridge can be affected.
Step 6: Conclude that temperature changes can lead to inaccurate measurements in the Wheatstone bridge.
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