In a potentiometer experiment, if the balance length is 60 cm, what EMF does this length correspond to?
University of Ilorin PHY108 2025 past question
- E ∝ 60 cm (i.e., EMF is proportional to the 60 cm length)
- EMF = 60 V
- EMF = 0.60 V
- EMF cannot be determined from length alone without the potential gradient
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