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The drift velocity of the electrons in a...

The drift velocity of the electrons in a copper wire of length 2 m under the application of a potential difference of 220V is `0.5ms^-1` . Their mobility ( in `m^2v^-1s^-1`)

A

(a)`2.5 times 10^-3`

B

(b)`2.5 times 10^-2`

C

(c)`5 times 10^2`

D

(d)`4.5 times 10^-3`

Text Solution

AI Generated Solution

To find the mobility of electrons in a copper wire, we can use the relationship between drift velocity, mobility, and electric field. Let's break down the solution step by step. ### Step-by-Step Solution: 1. **Identify the given values**: - Length of the wire (L) = 2 m - Potential difference (V) = 220 V - Drift velocity (v_d) = 0.5 m/s ...
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