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(i) Derive an expression for drift veloc...

`(i)` Derive an expression for drift velocity of free electrons.
`(ii)` How many drift velocity of electrons in a metallic conductor vary with increase in temperature ? Explain.

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### Step-by-Step Solution #### (i) Derivation of Expression for Drift Velocity of Free Electrons 1. **Understanding the Concept**: - When a potential difference (V) is applied across a conductor, an electric field (E) is created, causing free electrons to move and generate a current. 2. **Force on Electrons**: ...
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