Question

Name a device that helps to maintain a potential difference across
conductor
​

Answer 1

$\huge\mathfrak{Answer:-}$

⭕ Any source of electricity like battery, cell or power supply.

⭕ It helps to maintain potential difference across conductor.

Answer 2

$\huge \mathfrak \red{Answer : }$

$<bullet><font color = blue><b>$

Any source of electricity like battery, cell, power supply, etc. helps to maintain a potential difference across a conductor.