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If a potentiometer wire has a potential difference of 12V across it and is 4m lo
If a potentiometer wire has a potential difference of 12V across it and is 4m long, what is the potential gradient?
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Practice Questions
1 question
Q1
If a potentiometer wire has a potential difference of 12V across it and is 4m long, what is the potential gradient?
3 V/m
4 V/m
2 V/m
1 V/m
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The potential gradient is calculated as V/L = 12V/4m = 3 V/m.
Questions & Step-by-step Solutions
1 item
Q
Q: If a potentiometer wire has a potential difference of 12V across it and is 4m long, what is the potential gradient?
Solution:
The potential gradient is calculated as V/L = 12V/4m = 3 V/m.
Steps: 6
Show Steps
Step 1: Identify the total potential difference (V) across the potentiometer wire, which is given as 12V.
Step 2: Identify the length (L) of the potentiometer wire, which is given as 4m.
Step 3: Use the formula for potential gradient, which is V divided by L (V/L).
Step 4: Substitute the values into the formula: 12V / 4m.
Step 5: Perform the division: 12 divided by 4 equals 3.
Step 6: State the result: The potential gradient is 3 V/m.
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