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In a potentiometer experiment, if the known voltage is increased, what happens t

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Question: In a potentiometer experiment, if the known voltage is increased, what happens to the balance length?

Options:

  1. It increases
  2. It decreases
  3. It remains the same
  4. It becomes zero

Correct Answer: It increases

Solution: 

If the known voltage is increased, the balance length will also increase, as a higher voltage will require a longer length of wire to achieve balance.

In a potentiometer experiment, if the known voltage is increased, what happens t

Practice Questions

Q1
In a potentiometer experiment, if the known voltage is increased, what happens to the balance length?
  1. It increases
  2. It decreases
  3. It remains the same
  4. It becomes zero

Questions & Step-by-Step Solutions

In a potentiometer experiment, if the known voltage is increased, what happens to the balance length?
Correct Answer: Balance length increases.
  • Step 1: Understand that a potentiometer is used to measure voltage by balancing it against a known voltage.
  • Step 2: Recognize that the balance length is the length of wire needed to achieve this balance.
  • Step 3: Know that if the known voltage increases, more voltage is needed to balance it.
  • Step 4: Realize that a longer length of wire is required to achieve this balance with the higher voltage.
  • Step 5: Conclude that as the known voltage increases, the balance length also increases.
  • Potentiometer Principle – The balance length in a potentiometer is directly proportional to the voltage applied across it.
  • Ohm's Law – Understanding the relationship between voltage, current, and resistance is crucial in analyzing potentiometer behavior.
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