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Grade: 12
        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
6 years ago

Answers : (1)

Nirmal Singh.
askIITians Faculty
44 Points
							Ans- 0.8 A

Regards,
Nirmal Singh
Askiitians Faculty
6 years ago
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Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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