Question

the potential difference in an x-ray tube is 5 kV and the current through it is 3.2 mA. Then the number of the electrons striking the target per second is: a) 2×10¹⁶ b) 5×10¹⁶ c) 1×10¹⁶ d) 4×10¹⁶​

Answer 1

The potential difference applied to an X-ray tube is 5 kV and the current through it is 3.2 mA. Then the number of electrons striking the target per second is

(a) 2 x 1016

(b) 5 x 1018

(c) 1 x 1017

(d) 4 x 1015

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