An electron gun emits electrons one at a time at a rate of 1000 electrons/minute. calulate the current produced by this electron.

The charge on one electron is  1.602 x 10⁻¹⁹ of a Coulomb.

THAT much charge every second is THAT many Amperes of current.

1000 elctrons/minute = (1000/60) electrons per second.

They carry (1000/60) x (1.602 x 10⁻¹⁹) Coulombs of charge per second.

That's  (1000/60) x (1.602 x 10⁻¹⁹) Amperes of current.

(1000/60) x (1.602 x 10⁻¹⁹) Ampere =

(1602/60) x 10⁻¹⁹ Ampere =

2.67 x 10⁻¹⁸ Ampere .

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