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A laboratory source maintains a potential difference of across a component that…
PHYSICS · Subjective · A Level · Physics · Electricity · Electricity
Problem
A laboratory source maintains a potential difference of
5.0
V
5.0\,\text{V}
5.0
V
across a component that allows a current of
250
mA
250\,\text{mA}
250
mA
to pass. Determine the resistance of this component in ohms.
Related theory
Ohm's Law
Ohm's Law (Macroscopic)
Ohm's law, V-I graphs and ohmic/non-ohmic conductors
Current Electricity
Ohm's law and V-I graphs
Electricity
Electric Circuits
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