At room temperature, copper has free electron density of 8.4 10^ 24 ~m ^ -3 . The…
Physics · NEET · NTA Exams — Current Electricity
At room temperature, copper has free electron density of \(8.4 \times 10^{24} \mathrm{~m}^{-3}\). The electron drift velocity in a copper conductor of cross-sectional area of 10-6m2 and carrying a current of 5.4 A, will be:
- 4 m s-1
- 0.4 m s-1
- 4 cm s-1
- 0.4 mm s-1
Answer
(D) 0.4 mm s -1
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