alleryStart learning →One ohm is equal to which of these?
AOne ampere per volt
BOne joule per volt
COne volt per ampere
DOne watt per ampere
Answer & Solution
Correct answer: C. One volt per ampere
1. Rearranging I = V / R gives R = V / I.
2. So resistance carries the units of voltage divided by current.
3. That is 1 ohm = 1 volt per ampere.
4. One ampere per volt is the reciprocal quantity and names conductance instead.
_Source: OpenStax College Physics (CC BY 4.0), Ch 20 "Electric Current, Resistance, and Ohm's Law", section Resistance and Simple Circuits_
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