Question

In a Helium gas discharge tube, every second 40 x 1018 He+ ions move towards the right through a cross-section of the tube,
while n electrons move to the left in the same time. If the current in the tube is 8 A towards right then the value of n is​

Answer 1

Answer:

I = 8A

  Q

= 8 = 8C

t

n x e = 8 



-19

8 8

n =

9 1.61 0



80 19 n = 10

16

n = 5 x 1019

2 x 40 x 1018 + n9/9

=

n9/9

= 3 x 1019

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