#LetsPrepareATC 🏆 Prepare AAI - ATC Exam (2023) with ATC Gurus Mr. Paras Soni & Dr. Abhijit Sen
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Practice Question
An electron beam with cross-section area \[1.0mm^2\] has 6x\[10^{-19}\] electrons(q=1.6x\{10^{-19}\]C)passing per second perpendicular to any section. The current density (ampere per \[meter^2\] ) in the beam is :

Select one correct option:

\[1.96×10^{-3}\] Correct 💪 In-correct 🧐
\[9.6×10^{3}\] Correct 💪 In-correct 🧐
9.6 Correct 💪 In-correct 🧐
\[9.6×10^{2}\] Correct 💪 In-correct 🧐
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