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The number of free electrons per 10 mm of an ordinary copper wire is 2 x 1021. The average drift speed of the electrons is 0.25 mm/s. The current flowing is: A. 0.8 A B. 8 A C. 80 A D. 5 A

The number of free electrons per 10 mm of an ordinary copper wire is 2 x 1021. The average
drift speed of the electrons is 0.25 mm/s. The current flowing is:
A. 0.8 A B. 8 A C. 80 A D. 5 A

Grade:12

1 Answers

Nirmal Singh.
askIITians Faculty 44 Points
10 years ago
Ans- 0.8 A

Regards,
Nirmal Singh
Askiitians Faculty

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