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Ohm's law for a conductor states that, at a given temperature,
AV is independent of I
BV is directly proportional to I, so V = IR with R constant
CV is inversely proportional to I
DV = I² · R
Answer & Solution
Correct answer: B. V is directly proportional to I, so V = IR with R constant
V ∝ I, hence V = IR with R the constant resistance at fixed temperature.
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