Question

Write the charge of an electron. How many of such electrons can contribute 5 mA current through a conductor for 2 sec?​

Answer 1

Answer:

Total charge that flows in 2s is given by

q=It=5×2=10C

Now, charge on one electron is given by e=1.6×10

−19

C

N= number of electrons

q=Ne

⟹N= eq

⟹N= 10/1.6×10 −19C

⟹N=6.25×10 19C

Answer 2

Answer:

Total charge that flows in 2s is given by q=It=5 multiply 2=10 C