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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 (in  A)


Question ID - 154133 :-

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 (in  A)

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Answer Key : (1) -

(1)

Heat produced/



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A Bohr hydrogen atom undergoes a transition  to  and emits a photon of frequency . Frequency of circular motion of electron in  orbit is . The ratio  is found to be 18/5m. State the value of


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