Find the average drift velocity of electrons if a wire of cross sectional area `0.01 cm^2` is carrying a current of 1 A. Given one cubic centimetre contributes `7xx10^(24)` free electrons.

Explanation

To find the average drift velocity of electrons in a wire carrying a current, we can use the formula:

\[ I = N \cdot e \cdot A \cdot v_d \]

Where:
- \( I \) = current (in Amperes)
- \( N \) = number density of free electrons (in electrons per cubic meter)
- \( e \) = charge of an electron (approximately \( 1.6 \times 10^{-19} \) Coulombs)
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