1.

The charge of an electron is 1.6 × 10?19 C.  How many electrons strike the screen of a cathode ray tube each second when the beam current is 16 mA                 [AMU (Med.) 2000]

A.            \[{{10}^{17}}\]                     
B.            \[{{10}^{19}}\]
C.            \[{{10}^{19}}\]                     
D.            \[{{10}^{17}}\]
Answer» B.            \[{{10}^{19}}\]


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