How is the total number of electrons that cross a planar area A in time Δt calculated? - CURRENT ELECTRICITY Quiz | GKFix.in

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How is the total number of electrons that cross a planar area A in time Δt calculated?

A. nAΔt
B. n|vd|Δt
C. nA|vd|Δt
D. eA|vd|Δt

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