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rafiki121 rafiki121
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2 months ago

An electron beam contains 1.5 × 1017 electrons per m3 and is confined to circular cross-sectional region of diameter 0.025 mm. The electrons in the beam are extremely energetic and travel at nearly the speed of light. What is the current in the beam?



1.4 A



▸ 3.5 mA

350 mA



14 mA

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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KFordKFord
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