2 The charge of an electron is 1 6 x 10 19 C How many electrons strike the screen of a cathode ray tube each second when the

Question

2 The charge of an electron is 1 6 x 10 19 C How many electrons strike the screen of a cathode ray tube each second when the beam current is 16 mA a 10 7 C 10 19 b 10 9 d 10 7

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