Question

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

Answer 1

$\huge\red{\boxed{\bold{Answer}}}$

Cell or battery is the device that helps to maintain a potential difference across a conductor.

$\huge\mathbb\blue{THANK\:YUH!}</p><p>}$

Answer 2

Answer:

ᴀɴʏ sᴏᴜʀᴄᴇ ᴏғ ᴇʟᴇᴄᴛʀɪᴄɪᴛʏ ʟɪᴋᴇ ᴛʜᴇ ʙᴀᴛᴛᴇʀʏ, ᴄᴇʟʟ, ᴘᴏᴡᴇʀ sᴜᴘᴘʟʏ, ᴇᴛᴄ. ʜᴇʟᴘs ᴛᴏ ᴍᴀɪɴᴛᴀɪɴ ᴀ ᴘᴏᴛᴇɴᴛɪᴀʟ ᴅɪғғᴇʀᴇɴᴄᴇ ᴀᴄʀᴏss ᴀ ᴄᴏɴᴅᴜᴄᴛᴏʀ.

Explanation:

ʜᴏᴘᴇ ɪᴛs ʜᴇʟᴘ