1. Tardigrade
  2. Question
  3. Physics
  4. The potential difference across the Coolidge tube is 20 kV and 10 mA current flows through the voltage supply. Only 0.5 % of the energy carried by the electrons striking the target is converted into X-rays. The power carried by X-ray beam (in W) is.

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Q. The potential difference across the Coolidge tube is $20\, kV$ and $10\, mA$ current flows through the voltage supply. Only $0.5 \%$ of the energy carried by the electrons striking the target is converted into $X$-rays. The power carried by $X$-ray beam (in $W$) is___.

Dual Nature of Radiation and Matter

Solution:

Power of electron beam is $P=V_{i}=20 \times 10^{3} \times 10 \times 10^{-3}$
$\Rightarrow P=200\, W$
$\Rightarrow P_{X-\text { nay }}=\frac{0.5}{100} \times 200=1\, W$