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When a potential difference of is applied across an unknown resistor
PHYSICS · Subjective · A Level · Physics · Electricity · Electricity
Problem
When a potential difference of
1.5
×
10
3
mV
1.5\times10^{3}\,\text{mV}
1.5
×
1
0
3
mV
is applied across an unknown resistor, a current of
0.75
A
0.75\,\text{A}
0.75
A
flows. Find the resistance of the resistor in kilo-ohms (kΩ).
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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