For a certain resistor the following measurements were recorded:

PHYSICS · Single correct · A Level · Physics · Electricity · Electricity

Problem

For a certain resistor the following measurements were recorded: (V,I)=(1.0 V, 0.20 A), (2.0 V, 0.41 A), (3.0 V, 0.59 A)(V, I) = (1.0\,\text{V},\,0.20\,\text{A}),\ (2.0\,\text{V},\,0.41\,\text{A}),\ (3.0\,\text{V},\,0.59\,\text{A}). Assuming the resistor follows Ohm’s law, the best estimate of its resistance is (a) 4.8 Ω4.8\,\Omega (b) 5.0 Ω5.0\,\Omega (c) 0.20 Ω0.20\,\Omega (d) 15 Ω15\,\Omega

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