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Radhika Batra Grade: 11
        Heat at the rate of 200 W is produced in an X-ray tube operating at 20 kV. Find the current in the circuit. Assume that only a small fraction of the kinetic energy of electrons is converted into X-rays. 
3 years ago

Answers : (1)

Kevin Nash
askIITians Faculty
332 Points
										Heat produced/sec = 200 w

⇒ neV/t = 200 ⇒ (ne/t)V = 200
⇒ i = 200 /V = 10 mA.
3 years ago
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