Question

calculate the number of electrons passing through a conductor is 2 ampere of current flows through it in 4 seconds

Answer 1

Current = Rate of flow of charges

=> Current = Amount of charges / Time taken

2 A = Amount of charges / 4 seconds

=> Amount of charges = 4 * 2 = 8 coloumbs

1 C = 6.25 × 10¹⁸ electrons

Hence 8 C = 8 * 6.25 * 10¹⁸

= 5000 * 10¹⁸

= 5 * 10²¹ electrons

Answer 2

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