an electron beam has an aperture 1mm2 .a total of 6.0 ×10^16 electrons go through any perpendicular cross section per second. find the current density in the beam.

an electron beam has an aperture 1mm2 .a total of 6.0 ×10^16 electron

1.	an electron beam has an aperture 1mm2 .a total of 6.0 ×10^16 electrons go through any perpendicular cross section per second. find the current density in the beam.
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an electron beam has an aperture 1mm2 .a total of 6.0 ×10^16 electrons go through any perpendicular cross section per second. find the current density in the beam.​

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an electron beam has an aperture 1mm2 .a total of 6.0 ×10^16 electrons go through any perpendicular cross section per second. find the current density in the beam.