What should be the nature of a V-I graph if current is independent of the potential difference ? Is this event possible ? For which material would this graph be true ?
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ʀᴇғ . ɪᴍᴀɢᴇ.
(ɪ) ᴛʜᴇ ᴠ-ɪ ɢʀᴀᴘʜ ᴏғ ᴏʜᴍɪᴄ ᴍᴀᴛᴇʀɪᴀʟ ɪs ᴀ sᴛʀᴀɪɢʜᴛ ʟɪɴᴇ ᴘᴀssɪɴɢ ᴛʜʀᴏᴜɢʜ ᴏʀɪɢɪɴ. ᴇ.ɢ. ʀᴇsɪsᴛᴏʀ ᴍᴀᴅᴇ ᴏғ ᴍᴀʀɢᴀʀɪɴᴇ.
(ɪɪ) ᴠ-ɪ ɢʀᴀᴘʜ ғᴏʀ ɴᴏɴ ᴏʜᴍɪᴄ ᴍᴀᴛᴇʀɪᴀʟ ɪs ᴀ sᴛʀᴀɪɢʜᴛ ᴀʀᴇ ɴᴏɴ - ʟɪɴᴇᴀʀ ᴄᴜʀᴠᴇ, ɴᴏᴛ ᴘᴀssɪɴɢ ᴛʜʀᴏᴜɢʜ ᴏʀɪɢɪɴ ᴇ.ɢ. ᴊᴜɴᴄᴛɪᴏɴ ᴄʜɪᴅᴇ ᴏʀ ᴇʟᴇᴄᴛʀᴏʟʏᴛᴇ
ʏᴏᴜʀ ᴀɴsᴡᴇʀ ɪs ɪɴ ᴛʜᴇ ɢɪᴠᴇɴ ᴀᴛᴛᴀᴄʜᴍᴇɴᴛ
ʜᴏᴘᴇ ɪᴛ ɪs ʜᴇʟᴘғᴜʟ
ᴛʜᴀɴᴋ ʏᴏᴜ
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