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## Homework Statement

"Use the equation I=nAve to justify why charges travel faster in semiconductor than in metallic conductor. Assume that the dimensions and current are the same. "

## Homework Equations

I=nAve

I know I = current, n = number density, A= cross sectional area v= drift velocity and e = charge of electrons

## The Attempt at a Solution

Is metallic conductor denser than semiconductor, hence the drift velocity is lower? Thanks in advance.