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Introductory Physics Homework Help
Are lost volts the difference between EMF and terminal potential difference?
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[QUOTE="Steve4Physics, post: 6855588, member: 681522"] Maybe terminology varies regionally, but here in the UK that’s exactly what is meant by ‘lost volts’ for an electrical source. E.g. a cell’s emf (measured open-circuit) is 1.60V. With some load, the p.d. between the cell’s terminals drops to 1.45V. Then the ‘lost volts’ = 1.60V - 1.45V = 0.15V. The ‘lost volts’ value is often (especially for teaching and examination purposes here) taken to equal the product of the current through the supply and the supply’s notional internal resistance. [/QUOTE]
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Introductory Physics Homework Help
Are lost volts the difference between EMF and terminal potential difference?
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