under what circumstances potential differences can exceed emf
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ᴛʜɪs ᴏɴʟʏ ʜᴀᴘᴘᴇɴs ᴡʜᴇɴ :-
★ ᴛʜᴇʀᴇ ɪs ɴᴏ ʟᴏᴀᴅ ᴘʟᴀᴄᴇᴅ ᴏɴ ᴛʜᴇ ʙᴀᴛᴛᴇʀʏ ᴛʜᴀᴛ ɪɴᴄʟᴜᴅᴇs ᴍᴇᴀsᴜʀɪɴɢ ᴛʜᴇ ᴘᴏᴛᴇɴᴛɪᴀʟ ᴅɪғғᴇʀᴇɴᴄᴇ ᴡɪᴛʜ ᴀ ᴠᴏʟᴛᴍᴇᴛᴇʀ.
★ ᴛʜᴇ ᴛᴇʀᴍɪɴᴀʟ ᴠᴏʟᴛᴀɢᴇ ᴡɪʟʟ ᴇxᴄᴇᴇᴅ ᴛʜᴇ ᴇᴍғ ᴏғ ᴛʜᴇ ʙᴀᴛᴛᴇʀʏ ᴡʜᴇɴ ᴄᴜʀʀᴇɴᴛ ɪs ᴅʀɪᴠᴇɴ ʙᴀᴄᴋᴡᴀʀᴅ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ʙᴀᴛᴛᴇʀʏ, ɪɴ ᴀᴛ ɪᴛs ᴘᴏsɪᴛɪᴠᴇ ᴛᴇʀᴍɪɴᴀʟ ᴀɴᴅ ᴏᴜᴛ ᴀᴛ ɪᴛs ɴᴇɢᴀᴛɪᴠᴇ ᴛᴇʀᴍɪɴᴀʟ.
■ ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ ᴅᴇᴀʀ ■
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