An electron beam has an aperture of

PHYSICS · Multi-part · CBSE · Physics · Current Electricity · Current Electricity

Problem

An electron beam has an aperture of

1.0\text{ mm}^2

. A total of

6.0\times10^{16}

electrons pass through any perpendicular cross-section per second. Find: (a) The current. (b) The current density in the beam.

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