What happens to the balancing length if the emf of the cell is increased while k

Practice Questions

Q1
What happens to the balancing length if the emf of the cell is increased while keeping the potentiometer wire constant?
  1. Balancing length increases
  2. Balancing length decreases
  3. No change in balancing length
  4. Balancing length becomes zero

Questions & Step-by-Step Solutions

What happens to the balancing length if the emf of the cell is increased while keeping the potentiometer wire constant?
  • Step 1: Understand what emf (electromotive force) means. It is the voltage provided by a cell or battery.
  • Step 2: Know that a potentiometer is a device used to measure voltage by comparing it to a known voltage.
  • Step 3: Realize that the balancing length is the length of the wire needed to balance the voltage of the cell being measured.
  • Step 4: When the emf of the cell increases, it means the voltage is higher.
  • Step 5: A higher voltage requires a longer length of wire to achieve balance with the potentiometer.
  • Step 6: Therefore, if the emf of the cell is increased while keeping the potentiometer wire constant, the balancing length will also increase.
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