The current in an electron beam in a cathode-ray tube is measured to be 480 mA. How many electrons hit the screen in 2.0 s? (e = 1.6 ´ 10-19 C) 2.2 ´ 1011 electrons 8.8 ´ 1013 electrons 3.5 ´ 1018 electrons 6.0 ´ 1018 electrons
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- The current in an electron beam in a cathode-ray tube is measured to be 480 mA. How many electrons hit the screen in 2.0 s? (e = 1.6 ´ 10-19 C)
- 2.2 ´ 1011 electrons
- 8.8 ´ 1013 electrons
- 3.5 ´ 1018 electrons
- 6.0 ´ 1018 electrons
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