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In a hydrogen tube it is observed that t...

In a hydrogen tube it is observed that through a given cross-section `3.13 xx 10^(15)` electrons per sec. moving from right to left and` 3.12 xx 10^(15)` protons per sec are moving from left to right. The electric current in the discharge tube and its direction is

A

`1.6 mu A ` towards left

B

`1.6 mu A` towards right

C

`1 mA ` towards left

D

`1mA ` towards right

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The correct Answer is:
D
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