If the resistance of the potentiometer wire is increased, what effect does it have on the measurement accuracy?
Practice Questions
1 question
Q1
If the resistance of the potentiometer wire is increased, what effect does it have on the measurement accuracy?
Increases accuracy
Decreases accuracy
No effect
Depends on the length of the wire
Increasing the resistance of the potentiometer wire can lead to a larger voltage drop, which may decrease measurement accuracy due to increased error in balancing.
Questions & Step-by-step Solutions
1 item
Q
Q: If the resistance of the potentiometer wire is increased, what effect does it have on the measurement accuracy?
Solution: Increasing the resistance of the potentiometer wire can lead to a larger voltage drop, which may decrease measurement accuracy due to increased error in balancing.
Steps: 6
Step 1: Understand what a potentiometer is. It is a device used to measure voltage by comparing it to a known reference voltage.
Step 2: Know that the potentiometer wire has a certain resistance that affects how it works.
Step 3: When the resistance of the potentiometer wire is increased, it causes a larger voltage drop across the wire.
Step 4: A larger voltage drop means that the voltage available for measurement is reduced.
Step 5: This reduction can make it harder to accurately balance the potentiometer, leading to potential errors in the measurement.
Step 6: Therefore, increasing the resistance of the potentiometer wire can decrease the accuracy of the measurements.
