Question

How many electrons constitute an electric current of 2A. (Charge on an electron = 1.6 x
10-19 C)
(B) 3.2 x 10-19
(D) 3.21 x 10-18
(A) 1.25 x 1019
(C) 1.25 x 1018

Answer 1

Answer:

n=q/e formula should be used

Explanation:

n=2/1.6*10-19

n=1.25 ×1019 optionA

Answer 2

Answer:

Explanation:

Given,

Q=2A

therefore,

By the N=Q/E

formula,

N=2/1