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How does the mobility of electrons in a conductor change, if the p.d. applied across the conductor is doubled, keeping its length and temperature constant?

Derive the expression for the current density of a conductor in terms of the conductivity and applied electic field. Explain with reason how the mobility of electrons in a conductor changes when the potential difference applied is doubled, keeping the temperature of the conductor constant.

Derive the expression for the current density of a conductor in terms of the conductivity and applied electic field. Explain with reason how the mobility of electrons in a conductor changes when the potential difference applied is doubled, keeping the temperature of the conductor constant.

How does the random motion of free electrons in a conductor get affected when a potential difference is appplied across its ends ?

What happens when a potential difference is applied across the ends of a conductor?

If the potential difference across the ends of a conductor is doubled, the energy loss becomes-

If the potential difference across the ends of a conductor is doubled, the energy loss becomes-

If the potential difference across the ends of a conductor is doubled, the energy loss becomes-

Choose correct alternative. When potential difference is not applied across a conductor,