If the voltage of an X-ray tube is doubled,th | vedclass

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(B) The intensity of $X$-rays produced in an $X$-ray tube depends on the number of electrons striking the target per unit time,which is determined by

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(B) The intensity of $X$-rays produced in an $X$-ray tube depends on the number of electrons striking the target per unit time,which is determined by the filament current (thermionic emission). Changing the accelerating voltage (potential difference) affects the kinetic energy of the electrons and the minimum wavelength (cutoff wavelength) of the $X$-rays,but it does not significantly change the total intensity of the $X$-rays produced. Therefore,if the voltage is doubled,the intensity of the $X$-rays remains unchanged.

If the voltage of an $X$-ray tube is doubled,the intensity of $X$-rays will become

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