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If the known voltage in a potentiometer is 12 V and the length of the wire is 6

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Question: If the known voltage in a potentiometer is 12 V and the length of the wire is 6 m, what is the potential gradient?

Options:

  1. 2 V/m
  2. 3 V/m
  3. 4 V/m
  4. 6 V/m

Correct Answer: 2 V/m

Solution: 

The potential gradient is calculated as V/L = 12 V / 6 m = 2 V/m.

If the known voltage in a potentiometer is 12 V and the length of the wire is 6

Practice Questions

Q1
If the known voltage in a potentiometer is 12 V and the length of the wire is 6 m, what is the potential gradient?
  1. 2 V/m
  2. 3 V/m
  3. 4 V/m
  4. 6 V/m

Questions & Step-by-Step Solutions

If the known voltage in a potentiometer is 12 V and the length of the wire is 6 m, what is the potential gradient?
Correct Answer: 2 V/m
  • Step 1: Identify the known voltage, which is 12 V.
  • Step 2: Identify the length of the wire, which is 6 m.
  • Step 3: Use the formula for potential gradient, which is V/L (voltage divided by length).
  • Step 4: Substitute the known values into the formula: 12 V / 6 m.
  • Step 5: Perform the division: 12 divided by 6 equals 2.
  • Step 6: State the result: The potential gradient is 2 V/m.
  • Potential Gradient – The potential gradient is the change in voltage per unit length along a conductor, calculated using the formula V/L.
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