Answer :

3.2×10-3 A

Given,


The number of electrons emitted=2.0 × 1016


Time, t, in seconds in which 2.0 × 1016 electrons are emitted=1s


Formula Used:


The current flowing from an electron gun or through a circuit, I, due to the movement of charges, q, through it can be expressed as,



Where q is the charge flowing and t is time in seconds.


Also, for n number of electrons, q is



Where e is the charge of 1 electron= 1.6× 10-19C


Hence, in the given problem, the total charge flowing from the gun is, q




And the corresponding current, I is



So the corresponding current is 3.2×10-3 A.


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