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The potential different across the Cooli...

The potential different across the Coolidge tube is `20 kV and 10 m A` current flows through the voltage supply. Only `0.5%` of the energy carried by the electrons striking the largest is converted into X-ray. The power carried by the X-ray beam is `p`. Then

A

`0.1W`

B

`1W`

C

`2W`

D

`10W`

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Verified by Experts

The correct Answer is:
b
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