Question

In an atom, an electron revolves around the nucleus
in a circular orbit at the rate of 10^15 revolutions
per second. Calculate the equivalent current . Take
e = 1.6 x 10-19 C.​

Answer 1

I =e/T

where I is the current, e is the electronic charge and I is the time period of the revolution.

T = 1/f, where f is the frequency of the revolution.

T = 1/10^15

=> T = 10^(-15) sec

=> I = 1.6 × 10^(-19) C/ 10^(-15) sec

=> I = 1.6 × 10(-19+15) C/sec

=> I = 1.6 × 10^(-4) C/sec