Question

4. An electron-beam carries a current of 5 microampere.
Calculate : (i) number of electrons passing through
a point per second, (ii) magnetic field produced at a

Answer 1

Answer:

1

Explanation:

number of electrons passing through a point per second

Answer 2

Explanation:

i=q/t

=>q=i×t

=>n×1.6×10^-19=5×10^-6×1 =>n=(5×10^-6)÷(1.6×10^-19) =>3.125×10^13