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In a hydrogen atube it is observed that ...

In a hydrogen atube it is observed that through a given cross-section `3.13xx10^(15)` electrons per sec, moving from right to left and`3.12xx10^(15)` protons per sec are moving from left to right. The electric current in the discharge tube ad its direction is

A

1 mA, towards left

B

2 mA , towards right

C

1 mA, towards right

D

2 mA, towards left

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The correct Answer is:
C
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