Question

How does the mobility of electrons in a conductor change, if the potential difference applied across the conductor is doubled, keeping the length and temperature of the conductor constant ?

Answer 1

Answer:

the mobility of the charge will reduce to half of its initial value as the drift velocity of the charge is same.

Explanation:

As we know that the mobility of charge inside conductor is defined as the ratio of drift velocity of charge per unit of electric field

so it is given as

$\mu = \frac{v_d}{E}$

now if the potential difference across the conductor is double

so we have

$E = \frac{\Delta V}{L}$

hence the from above formula we can say that electric field inside the conductor also get double

So the mobility of the charge will reduce to half of its initial value as the drift velocity of the charge is same.

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Topic : Mobility of charge

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Answer 2

Answer:

The Mobility of electrons will be HALVED.

Explanation: