whydoes a conductor heat up on passing current
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ᴛʜᴇ ʀᴇᴀsᴏɴ ғᴏʀ ᴡʜʏ ᴡɪʀᴇs ʜᴇᴀᴛ ᴜᴘ ᴡʜᴇɴ ᴀ ᴄᴜʀʀᴇɴᴛ ғʟᴏᴡs ᴛʜʀᴏᴜɢʜ ᴛʜᴇᴍ ɪs ᴛʜᴀᴛ ᴀ ʙᴀᴛᴛᴇʀʏ ᴄᴏɴᴠᴇʀᴛs ᴄʜᴇᴍɪᴄᴀʟ ᴇɴᴇʀɢʏ ɪɴᴛᴏ ᴇʟᴇᴄᴛʀɪᴄ ᴘᴏᴛᴇɴᴛɪᴀʟ ᴇɴᴇʀɢʏ. ... ᴛʜɪs ᴛʜᴇʀᴍᴀʟ ᴇɴᴇʀɢʏ ᴄᴀᴜsᴇs ᴛʜᴇ ᴡɪʀᴇ ᴛᴏ ʜᴇᴀᴛ ᴜᴘ. ᴇʟᴇᴄᴛʀɪᴄᴀʟ ʙᴜʀɴs ᴏᴄᴄᴜʀ ᴡʜᴇɴ ʏᴏᴜ ʜᴏʟᴅ ᴏɴ ᴛᴏ ᴀ ᴡɪʀᴇ, ᴀɴᴅ ᴅᴜᴇ ᴛᴏ ʜᴇᴀᴛ ᴛʀᴀɴsғᴇʀ, sᴏᴍᴇ ᴏғ ᴛʜɪs ᴛʜᴇʀᴍᴀʟ ᴇɴᴇʀɢʏ ɪs ᴛʀᴀɴsғᴇʀʀᴇᴅ ᴛᴏ ʏᴏᴜ.
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The reason for why wires heat up when a current flows through them is that a battery converts chemical energy into electric potential energy. ... This thermal energy causes the wire to heat up. Electrical burns occur when you hold on to a wire, and due to heat transfer, some of this thermal energy is transferred to you.
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