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Current Electricity question

2021 · 17 Mar · Shift 1 · Q58
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  5. /2021 · 17 Mar · Shift 1 · Q58

Current Electricity question

2021 · 17 Mar · Shift 1 · Q58

JEE MainPhysicsCurrent ElectricityMCQ+4 / −1
A current of 10A exists in a wire of cross-sectional area of 5 mm2 with a drift velocity of 2 ×\times× 10 −-− 3 ms −-− 1. The number of free electrons in each cubic meter of the wire is ‾\underline{\hspace{2cm}}​.
  1. A
    625 ×\times× 1025
  2. B
    1 ×\times× 1023
  3. C
    2 ×\times× 1025
  4. D
    2 ×\times× 106
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