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The potential difference applied to an X...

The potential difference applied to an X-ray tube is 5kV and the current through it is 3.2 mA. Then the number of electrons striking the target per second is

A

` 2 xx 10^(16)`

B

`5 xx 10^(18)`

C

`1 xx 10^(17)`

D

`4 xx 10^(5)`

Text Solution

Verified by Experts

The correct Answer is:
A
`n = (It)/(e) = (3.2 xx 10^(-3)xx1)/(1.6 xx 10^(-19)) = 2 xx 10^(16)`
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FULL MARKS-ATOMIC AND NUCLEAR PHYSICS-Additional question (Multiple Choice Question)
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