1.

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?​

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Answer:

If potential difference across the conductor is doubled, KEEPING the length same, the mobility of electrons in the conductor will be doubled. Potential difference is DIRECTLY proportional to current flowing through the conductor. It MEANS current is equal to the CHARGES flowing through the conductor per unit time



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