Question

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

Answer 1

$\huge\bigstar\underline\mathfrak{Answer:-}$

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

Answer 2

Answer:

${\huge{\underline{\small{\bold{\red{\: Answer -}}}}}}$

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