rayyansyed50 rayyansyed50
  • 10-08-2020
  • Physics
contestada

A TV set shoots out a beam of electrons. The beam current is 10A. How many electrons strike the TV screen in a minute.

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Аноним Аноним
  • 10-08-2020

Answer:

600 mC

Explanation:

The charge of an electron is 1.6 x 10-19C so for a current with 10 mA, the charge going to screen in one second is 10 mC

so number of electrons, n = (10 x 10-3)/(1.6 x 10-19) = 6.25 x 1016  so in a minute the charge is 10 * 60 = 600 mC

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erinraiju04
erinraiju04 erinraiju04
  • 16-08-2020

Answer:

Total charge, q = It = 10 A x 60 s = 600 C

We know that, q = ne

So no. of electrons, n = q/e = 600 / (1.6×10-19) = 375x1019

Answer Link

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