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If a current of 0.6 ampere flows through a metallic wire for 3 hours, then how many electrons would flow through the wire??

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The number of electrons that flows through the metallic wire in 3 hours is; 4.05×10²²

Electron flow and Avogadro's number.

From the task content;

  • 0.6 ampere flows through a metallic wire for 3 hours.

Hence, the quantity of charge flowing through the wire is;

  • Q = I × t

  • Q = 0.6 × 3× 60 × 60

  • Q = 6,480C

Since, the quantity of charge in an electron is; 1.6×10-¹⁹C.

It follows that the number of electrons that flows through the wire is;

  • N = 6480/(1.6×10-¹⁹).

  • N = 4.05× 10²².

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